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Finding the Fourth Proportional to 116,798.24, 161,148.16 and 65,793.12

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Solution

The fourth proportional to 116,798.24, 161,148.16 and 65,793.12 is: 90,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,798.24 : 161,148.16 = 65,793.12 : x
  2. Step 2: Convert to fraction form
    116,798.24/161,148.16 = 65,793.12/x
  3. Step 3: Cross multiply
    116,798.24x = 161,148.16 × 65,793.12
  4. Step 4: Simplify right side
    116,798.24x = 10,602,440,228.66
  5. Step 5: Solve for x
    x = 10,602,440,228.66/116,798.24
  6. Step 6: Final answer
    x = 90,775.68

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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.