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Finding the Fourth Proportional to 152,751.88, 229,055.10 and 62,780.53

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Solution

The fourth proportional to 152,751.88, 229,055.10 and 62,780.53 is: 94,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,751.88 : 229,055.10 = 62,780.53 : x
  2. Step 2: Convert to fraction form
    152,751.88/229,055.10 = 62,780.53/x
  3. Step 3: Cross multiply
    152,751.88x = 229,055.10 × 62,780.53
  4. Step 4: Simplify right side
    152,751.88x = 14,380,200,577.20
  5. Step 5: Solve for x
    x = 14,380,200,577.20/152,751.88
  6. Step 6: Final answer
    x = 94,140.91

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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.