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Finding the Fourth Proportional to 155,752.43, 233,528.84 and 65,770.77

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Solution

The fourth proportional to 155,752.43, 233,528.84 and 65,770.77 is: 98,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,752.43 : 233,528.84 = 65,770.77 : x
  2. Step 2: Convert to fraction form
    155,752.43/233,528.84 = 65,770.77/x
  3. Step 3: Cross multiply
    155,752.43x = 233,528.84 × 65,770.77
  4. Step 4: Simplify right side
    155,752.43x = 15,359,370,711.33
  5. Step 5: Solve for x
    x = 15,359,370,711.33/155,752.43
  6. Step 6: Final answer
    x = 98,614.00

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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.