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Finding the Fourth Proportional to 119,461.99, 164,854.52 and 65,011.85

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Solution

The fourth proportional to 119,461.99, 164,854.52 and 65,011.85 is: 89,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,461.99 : 164,854.52 = 65,011.85 : x
  2. Step 2: Convert to fraction form
    119,461.99/164,854.52 = 65,011.85/x
  3. Step 3: Cross multiply
    119,461.99x = 164,854.52 × 65,011.85
  4. Step 4: Simplify right side
    119,461.99x = 10,717,496,176.73
  5. Step 5: Solve for x
    x = 10,717,496,176.73/119,461.99
  6. Step 6: Final answer
    x = 89,714.70

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1.5x scale

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.