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Finding the Fourth Proportional to 110,806.40, 152,925.96 and 62,409.92

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Solution

The fourth proportional to 110,806.40, 152,925.96 and 62,409.92 is: 86,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,806.40 : 152,925.96 = 62,409.92 : x
  2. Step 2: Convert to fraction form
    110,806.40/152,925.96 = 62,409.92/x
  3. Step 3: Cross multiply
    110,806.40x = 152,925.96 × 62,409.92
  4. Step 4: Simplify right side
    110,806.40x = 9,544,096,929.52
  5. Step 5: Solve for x
    x = 9,544,096,929.52/110,806.40
  6. Step 6: Final answer
    x = 86,133.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.