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Finding the Fourth Proportional to 155,587.70, 233,295.15 and 61,987.70

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Solution

The fourth proportional to 155,587.70, 233,295.15 and 61,987.70 is: 92,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,587.70 : 233,295.15 = 61,987.70 : x
  2. Step 2: Convert to fraction form
    155,587.70/233,295.15 = 61,987.70/x
  3. Step 3: Cross multiply
    155,587.70x = 233,295.15 × 61,987.70
  4. Step 4: Simplify right side
    155,587.70x = 14,461,429,769.66
  5. Step 5: Solve for x
    x = 14,461,429,769.66/155,587.70
  6. Step 6: Final answer
    x = 92,947.13

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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.