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Finding the Fourth Proportional to 66,545.58, 99,818.37 and 66,545.58

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Solution

The fourth proportional to 66,545.58, 99,818.37 and 66,545.58 is: 99,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545.58 : 99,818.37 = 66,545.58 : x
  2. Step 2: Convert to fraction form
    66,545.58/99,818.37 = 66,545.58/x
  3. Step 3: Cross multiply
    66,545.58x = 99,818.37 × 66,545.58
  4. Step 4: Simplify right side
    66,545.58x = 6,642,470,494.48
  5. Step 5: Solve for x
    x = 6,642,470,494.48/66,545.58
  6. Step 6: Final answer
    x = 99,818.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.