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Finding the Fourth Proportional to 116,632.40, 160,948.08 and 68,901.12

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Solution

The fourth proportional to 116,632.40, 160,948.08 and 68,901.12 is: 95,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,632.40 : 160,948.08 = 68,901.12 : x
  2. Step 2: Convert to fraction form
    116,632.40/160,948.08 = 68,901.12/x
  3. Step 3: Cross multiply
    116,632.40x = 160,948.08 × 68,901.12
  4. Step 4: Simplify right side
    116,632.40x = 11,089,502,973.85
  5. Step 5: Solve for x
    x = 11,089,502,973.85/116,632.40
  6. Step 6: Final answer
    x = 95,080.81

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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.