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Finding the Fourth Proportional to 145,951.16, 218,598.68 and 88,870.46

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Solution

The fourth proportional to 145,951.16, 218,598.68 and 88,870.46 is: 133,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,951.16 : 218,598.68 = 88,870.46 : x
  2. Step 2: Convert to fraction form
    145,951.16/218,598.68 = 88,870.46/x
  3. Step 3: Cross multiply
    145,951.16x = 218,598.68 × 88,870.46
  4. Step 4: Simplify right side
    145,951.16x = 19,426,965,246.99
  5. Step 5: Solve for x
    x = 19,426,965,246.99/145,951.16
  6. Step 6: Final answer
    x = 133,105.93

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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.