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Finding the Fourth Proportional to 242,527.50, 334,687.95 and 141,925.50

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Solution

The fourth proportional to 242,527.50, 334,687.95 and 141,925.50 is: 195,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,527.50 : 334,687.95 = 141,925.50 : x
  2. Step 2: Convert to fraction form
    242,527.50/334,687.95 = 141,925.50/x
  3. Step 3: Cross multiply
    242,527.50x = 334,687.95 × 141,925.50
  4. Step 4: Simplify right side
    242,527.50x = 47,500,754,647.73
  5. Step 5: Solve for x
    x = 47,500,754,647.73/242,527.50
  6. Step 6: Final answer
    x = 195,857.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.