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Finding the Fourth Proportional to 159,849,346.70, 239,774,020.05 and 159,849,346.70

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Solution

The fourth proportional to 159,849,346.70, 239,774,020.05 and 159,849,346.70 is: 239,774,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,849,346.70 : 239,774,020.05 = 159,849,346.70 : x
  2. Step 2: Convert to fraction form
    159,849,346.70/239,774,020.05 = 159,849,346.70/x
  3. Step 3: Cross multiply
    159,849,346.70x = 239,774,020.05 × 159,849,346.70
  4. Step 4: Simplify right side
    159,849,346.70x = 38,327,720,460,625,200
  5. Step 5: Solve for x
    x = 38,327,720,460,625,200/159,849,346.70
  6. Step 6: Final answer
    x = 239,774,020.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.