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Finding the Fourth Proportional to 123,607.52, 170,567.88 and 69,885.08

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Solution

The fourth proportional to 123,607.52, 170,567.88 and 69,885.08 is: 96,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,607.52 : 170,567.88 = 69,885.08 : x
  2. Step 2: Convert to fraction form
    123,607.52/170,567.88 = 69,885.08/x
  3. Step 3: Cross multiply
    123,607.52x = 170,567.88 × 69,885.08
  4. Step 4: Simplify right side
    123,607.52x = 11,920,149,939.23
  5. Step 5: Solve for x
    x = 11,920,149,939.23/123,607.52
  6. Step 6: Final answer
    x = 96,435.48

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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.