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Finding the Fourth Proportional to 98,129.80, 146,440.04 and 97,568.47

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Solution

The fourth proportional to 98,129.80, 146,440.04 and 97,568.47 is: 145,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,129.80 : 146,440.04 = 97,568.47 : x
  2. Step 2: Convert to fraction form
    98,129.80/146,440.04 = 97,568.47/x
  3. Step 3: Cross multiply
    98,129.80x = 146,440.04 × 97,568.47
  4. Step 4: Simplify right side
    98,129.80x = 14,287,930,649.54
  5. Step 5: Solve for x
    x = 14,287,930,649.54/98,129.80
  6. Step 6: Final answer
    x = 145,602.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.