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Finding the Fourth Proportional to 108,461.64, 149,675.54 and 60,714.93

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Solution

The fourth proportional to 108,461.64, 149,675.54 and 60,714.93 is: 83,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461.64 : 149,675.54 = 60,714.93 : x
  2. Step 2: Convert to fraction form
    108,461.64/149,675.54 = 60,714.93/x
  3. Step 3: Cross multiply
    108,461.64x = 149,675.54 × 60,714.93
  4. Step 4: Simplify right side
    108,461.64x = 9,087,539,630.24
  5. Step 5: Solve for x
    x = 9,087,539,630.24/108,461.64
  6. Step 6: Final answer
    x = 83,785.75

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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.