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Finding the Fourth Proportional to 108,347.52, 149,551.36 and 63,036.16

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Solution

The fourth proportional to 108,347.52, 149,551.36 and 63,036.16 is: 87,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,347.52 : 149,551.36 = 63,036.16 : x
  2. Step 2: Convert to fraction form
    108,347.52/149,551.36 = 63,036.16/x
  3. Step 3: Cross multiply
    108,347.52x = 149,551.36 × 63,036.16
  4. Step 4: Simplify right side
    108,347.52x = 9,427,143,457.18
  5. Step 5: Solve for x
    x = 9,427,143,457.18/108,347.52
  6. Step 6: Final answer
    x = 87,008.39

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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.