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Finding the Fourth Proportional to 232,614.95, 348,931.31 and 72,705.60

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Solution

The fourth proportional to 232,614.95, 348,931.31 and 72,705.60 is: 109,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,614.95 : 348,931.31 = 72,705.60 : x
  2. Step 2: Convert to fraction form
    232,614.95/348,931.31 = 72,705.60/x
  3. Step 3: Cross multiply
    232,614.95x = 348,931.31 × 72,705.60
  4. Step 4: Simplify right side
    232,614.95x = 25,369,259,888.81
  5. Step 5: Solve for x
    x = 25,369,259,888.81/232,614.95
  6. Step 6: Final answer
    x = 109,061.18

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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.