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Finding the Fourth Proportional to 119,337.96, 164,683.71 and 64,888.95

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Solution

The fourth proportional to 119,337.96, 164,683.71 and 64,888.95 is: 89,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,337.96 : 164,683.71 = 64,888.95 : x
  2. Step 2: Convert to fraction form
    119,337.96/164,683.71 = 64,888.95/x
  3. Step 3: Cross multiply
    119,337.96x = 164,683.71 × 64,888.95
  4. Step 4: Simplify right side
    119,337.96x = 10,686,153,024.00
  5. Step 5: Solve for x
    x = 10,686,153,024.00/119,337.96
  6. Step 6: Final answer
    x = 89,545.30

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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.