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Finding the Fourth Proportional to 116,521.20, 174,652.20 and 63,968.40

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Solution

The fourth proportional to 116,521.20, 174,652.20 and 63,968.40 is: 95,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,521.20 : 174,652.20 = 63,968.40 : x
  2. Step 2: Convert to fraction form
    116,521.20/174,652.20 = 63,968.40/x
  3. Step 3: Cross multiply
    116,521.20x = 174,652.20 × 63,968.40
  4. Step 4: Simplify right side
    116,521.20x = 11,172,221,790.48
  5. Step 5: Solve for x
    x = 11,172,221,790.48/116,521.20
  6. Step 6: Final answer
    x = 95,881.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.