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Finding the Fourth Proportional to 112,952.01, 169,095.12 and 98,939.40

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Solution

The fourth proportional to 112,952.01, 169,095.12 and 98,939.40 is: 148,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,952.01 : 169,095.12 = 98,939.40 : x
  2. Step 2: Convert to fraction form
    112,952.01/169,095.12 = 98,939.40/x
  3. Step 3: Cross multiply
    112,952.01x = 169,095.12 × 98,939.40
  4. Step 4: Simplify right side
    112,952.01x = 16,730,169,715.73
  5. Step 5: Solve for x
    x = 16,730,169,715.73/112,952.01
  6. Step 6: Final answer
    x = 148,117.50

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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.