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Finding the Fourth Proportional to 75,223.76, 112,838.76 and 62,051.60

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Solution

The fourth proportional to 75,223.76, 112,838.76 and 62,051.60 is: 93,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,223.76 : 112,838.76 = 62,051.60 : x
  2. Step 2: Convert to fraction form
    75,223.76/112,838.76 = 62,051.60/x
  3. Step 3: Cross multiply
    75,223.76x = 112,838.76 × 62,051.60
  4. Step 4: Simplify right side
    75,223.76x = 7,001,825,600.02
  5. Step 5: Solve for x
    x = 7,001,825,600.02/75,223.76
  6. Step 6: Final answer
    x = 93,079.97

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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.