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Finding the Fourth Proportional to 155,347.02, 232,963.02 and 55,480.50

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Solution

The fourth proportional to 155,347.02, 232,963.02 and 55,480.50 is: 83,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,347.02 : 232,963.02 = 55,480.50 : x
  2. Step 2: Convert to fraction form
    155,347.02/232,963.02 = 55,480.50/x
  3. Step 3: Cross multiply
    155,347.02x = 232,963.02 × 55,480.50
  4. Step 4: Simplify right side
    155,347.02x = 12,924,904,831.11
  5. Step 5: Solve for x
    x = 12,924,904,831.11/155,347.02
  6. Step 6: Final answer
    x = 83,200.21

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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.