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Finding the Fourth Proportional to 102,504.16, 153,762.72 and 43,332.04

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Solution

The fourth proportional to 102,504.16, 153,762.72 and 43,332.04 is: 65,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,504.16 : 153,762.72 = 43,332.04 : x
  2. Step 2: Convert to fraction form
    102,504.16/153,762.72 = 43,332.04/x
  3. Step 3: Cross multiply
    102,504.16x = 153,762.72 × 43,332.04
  4. Step 4: Simplify right side
    102,504.16x = 6,662,852,333.55
  5. Step 5: Solve for x
    x = 6,662,852,333.55/102,504.16
  6. Step 6: Final answer
    x = 65,000.80

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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.