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Finding the Fourth Proportional to 107,355.65, 148,147.95 and 59,607.77

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Solution

The fourth proportional to 107,355.65, 148,147.95 and 59,607.77 is: 82,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,355.65 : 148,147.95 = 59,607.77 : x
  2. Step 2: Convert to fraction form
    107,355.65/148,147.95 = 59,607.77/x
  3. Step 3: Cross multiply
    107,355.65x = 148,147.95 × 59,607.77
  4. Step 4: Simplify right side
    107,355.65x = 8,830,768,929.57
  5. Step 5: Solve for x
    x = 8,830,768,929.57/107,355.65
  6. Step 6: Final answer
    x = 82,257.14

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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.