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Finding the Fourth Proportional to 159,155.38, 238,748.66 and 57,980.93

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Solution

The fourth proportional to 159,155.38, 238,748.66 and 57,980.93 is: 86,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,155.38 : 238,748.66 = 57,980.93 : x
  2. Step 2: Convert to fraction form
    159,155.38/238,748.66 = 57,980.93/x
  3. Step 3: Cross multiply
    159,155.38x = 238,748.66 × 57,980.93
  4. Step 4: Simplify right side
    159,155.38x = 13,842,869,053.15
  5. Step 5: Solve for x
    x = 13,842,869,053.15/159,155.38
  6. Step 6: Final answer
    x = 86,977.08

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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.