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Finding the Fourth Proportional to 173,862.60, 260,831.70 and 99,018.60

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Solution

The fourth proportional to 173,862.60, 260,831.70 and 99,018.60 is: 148,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,862.60 : 260,831.70 = 99,018.60 : x
  2. Step 2: Convert to fraction form
    173,862.60/260,831.70 = 99,018.60/x
  3. Step 3: Cross multiply
    173,862.60x = 260,831.70 × 99,018.60
  4. Step 4: Simplify right side
    173,862.60x = 25,827,189,769.62
  5. Step 5: Solve for x
    x = 25,827,189,769.62/173,862.60
  6. Step 6: Final answer
    x = 148,549.43

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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.