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Finding the Fourth Proportional to 119,901.04, 165,526.87 and 77,483.77

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Solution

The fourth proportional to 119,901.04, 165,526.87 and 77,483.77 is: 106,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,901.04 : 165,526.87 = 77,483.77 : x
  2. Step 2: Convert to fraction form
    119,901.04/165,526.87 = 77,483.77/x
  3. Step 3: Cross multiply
    119,901.04x = 165,526.87 × 77,483.77
  4. Step 4: Simplify right side
    119,901.04x = 12,825,645,923.90
  5. Step 5: Solve for x
    x = 12,825,645,923.90/119,901.04
  6. Step 6: Final answer
    x = 106,968.60

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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.