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Finding the Fourth Proportional to 108,063.55, 149,127.87 and 60,316.89

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Solution

The fourth proportional to 108,063.55, 149,127.87 and 60,316.89 is: 83,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,063.55 : 149,127.87 = 60,316.89 : x
  2. Step 2: Convert to fraction form
    108,063.55/149,127.87 = 60,316.89/x
  3. Step 3: Cross multiply
    108,063.55x = 149,127.87 × 60,316.89
  4. Step 4: Simplify right side
    108,063.55x = 8,994,929,330.72
  5. Step 5: Solve for x
    x = 8,994,929,330.72/108,063.55
  6. Step 6: Final answer
    x = 83,237.40

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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.