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Finding the Fourth Proportional to 108,357.36, 149,545.56 and 60,622.80

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Solution

The fourth proportional to 108,357.36, 149,545.56 and 60,622.80 is: 83,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,357.36 : 149,545.56 = 60,622.80 : x
  2. Step 2: Convert to fraction form
    108,357.36/149,545.56 = 60,622.80/x
  3. Step 3: Cross multiply
    108,357.36x = 149,545.56 × 60,622.80
  4. Step 4: Simplify right side
    108,357.36x = 9,065,870,574.77
  5. Step 5: Solve for x
    x = 9,065,870,574.77/108,357.36
  6. Step 6: Final answer
    x = 83,666.40

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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.