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Finding the Fourth Proportional to 124,030.58, 185,831.89 and 67,911.08

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Solution

The fourth proportional to 124,030.58, 185,831.89 and 67,911.08 is: 101,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,030.58 : 185,831.89 = 67,911.08 : x
  2. Step 2: Convert to fraction form
    124,030.58/185,831.89 = 67,911.08/x
  3. Step 3: Cross multiply
    124,030.58x = 185,831.89 × 67,911.08
  4. Step 4: Simplify right side
    124,030.58x = 12,620,044,348.34
  5. Step 5: Solve for x
    x = 12,620,044,348.34/124,030.58
  6. Step 6: Final answer
    x = 101,749.46

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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.