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Finding the Fourth Proportional to 108,070.96, 149,123.10 and 60,318.16

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Solution

The fourth proportional to 108,070.96, 149,123.10 and 60,318.16 is: 83,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,070.96 : 149,123.10 = 60,318.16 : x
  2. Step 2: Convert to fraction form
    108,070.96/149,123.10 = 60,318.16/x
  3. Step 3: Cross multiply
    108,070.96x = 149,123.10 × 60,318.16
  4. Step 4: Simplify right side
    108,070.96x = 8,994,831,005.50
  5. Step 5: Solve for x
    x = 8,994,831,005.50/108,070.96
  6. Step 6: Final answer
    x = 83,230.79

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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.