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Finding the Fourth Proportional to 108,558.66, 149,810.07 and 60,812.46

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Solution

The fourth proportional to 108,558.66, 149,810.07 and 60,812.46 is: 83,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,558.66 : 149,810.07 = 60,812.46 : x
  2. Step 2: Convert to fraction form
    108,558.66/149,810.07 = 60,812.46/x
  3. Step 3: Cross multiply
    108,558.66x = 149,810.07 × 60,812.46
  4. Step 4: Simplify right side
    108,558.66x = 9,110,318,889.47
  5. Step 5: Solve for x
    x = 9,110,318,889.47/108,558.66
  6. Step 6: Final answer
    x = 83,920.70

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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.