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Finding the Fourth Proportional to 144,598.42, 216,935.03 and 84,677.50

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Solution

The fourth proportional to 144,598.42, 216,935.03 and 84,677.50 is: 127,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,598.42 : 216,935.03 = 84,677.50 : x
  2. Step 2: Convert to fraction form
    144,598.42/216,935.03 = 84,677.50/x
  3. Step 3: Cross multiply
    144,598.42x = 216,935.03 × 84,677.50
  4. Step 4: Simplify right side
    144,598.42x = 18,369,516,002.83
  5. Step 5: Solve for x
    x = 18,369,516,002.83/144,598.42
  6. Step 6: Final answer
    x = 127,038.15

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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.