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Finding the Fourth Proportional to 118,148.00, 162,952.08 and 75,710.48

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Solution

The fourth proportional to 118,148.00, 162,952.08 and 75,710.48 is: 104,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,148.00 : 162,952.08 = 75,710.48 : x
  2. Step 2: Convert to fraction form
    118,148.00/162,952.08 = 75,710.48/x
  3. Step 3: Cross multiply
    118,148.00x = 162,952.08 × 75,710.48
  4. Step 4: Simplify right side
    118,148.00x = 12,337,179,379.04
  5. Step 5: Solve for x
    x = 12,337,179,379.04/118,148.00
  6. Step 6: Final answer
    x = 104,421.40

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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.