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Finding the Fourth Proportional to 111,260.96, 165,898.94 and 98,897.12

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Solution

The fourth proportional to 111,260.96, 165,898.94 and 98,897.12 is: 147,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.96 : 165,898.94 = 98,897.12 : x
  2. Step 2: Convert to fraction form
    111,260.96/165,898.94 = 98,897.12/x
  3. Step 3: Cross multiply
    111,260.96x = 165,898.94 × 98,897.12
  4. Step 4: Simplify right side
    111,260.96x = 16,406,927,377.05
  5. Step 5: Solve for x
    x = 16,406,927,377.05/111,260.96
  6. Step 6: Final answer
    x = 147,463.47

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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.