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Finding the Fourth Proportional to 155,585.70, 233,292.15 and 61,985.70

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Solution

The fourth proportional to 155,585.70, 233,292.15 and 61,985.70 is: 92,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,585.70 : 233,292.15 = 61,985.70 : x
  2. Step 2: Convert to fraction form
    155,585.70/233,292.15 = 61,985.70/x
  3. Step 3: Cross multiply
    155,585.70x = 233,292.15 × 61,985.70
  4. Step 4: Simplify right side
    155,585.70x = 14,460,777,222.26
  5. Step 5: Solve for x
    x = 14,460,777,222.26/155,585.70
  6. Step 6: Final answer
    x = 92,944.13

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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.