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Finding the Fourth Proportional to 108,146.83, 149,220.95 and 60,392.83

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Solution

The fourth proportional to 108,146.83, 149,220.95 and 60,392.83 is: 83,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,146.83 : 149,220.95 = 60,392.83 : x
  2. Step 2: Convert to fraction form
    108,146.83/149,220.95 = 60,392.83/x
  3. Step 3: Cross multiply
    108,146.83x = 149,220.95 × 60,392.83
  4. Step 4: Simplify right side
    108,146.83x = 9,011,874,941.75
  5. Step 5: Solve for x
    x = 9,011,874,941.75/108,146.83
  6. Step 6: Final answer
    x = 83,330.00

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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.