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Finding the Fourth Proportional to 48,114.30, 72,171.45 and 14,831.40

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Solution

The fourth proportional to 48,114.30, 72,171.45 and 14,831.40 is: 22,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,114.30 : 72,171.45 = 14,831.40 : x
  2. Step 2: Convert to fraction form
    48,114.30/72,171.45 = 14,831.40/x
  3. Step 3: Cross multiply
    48,114.30x = 72,171.45 × 14,831.40
  4. Step 4: Simplify right side
    48,114.30x = 1,070,403,643.53
  5. Step 5: Solve for x
    x = 1,070,403,643.53/48,114.30
  6. Step 6: Final answer
    x = 22,247.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.