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Finding the Fourth Proportional to 155,349.80, 233,024.70 and 61,807.40

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Solution

The fourth proportional to 155,349.80, 233,024.70 and 61,807.40 is: 92,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,349.80 : 233,024.70 = 61,807.40 : x
  2. Step 2: Convert to fraction form
    155,349.80/233,024.70 = 61,807.40/x
  3. Step 3: Cross multiply
    155,349.80x = 233,024.70 × 61,807.40
  4. Step 4: Simplify right side
    155,349.80x = 14,402,650,842.78
  5. Step 5: Solve for x
    x = 14,402,650,842.78/155,349.80
  6. Step 6: Final answer
    x = 92,711.10

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1.5x scale

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.