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Finding the Fourth Proportional to 153,715.86, 229,045.72 and 136,947.04

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Solution

The fourth proportional to 153,715.86, 229,045.72 and 136,947.04 is: 204,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,715.86 : 229,045.72 = 136,947.04 : x
  2. Step 2: Convert to fraction form
    153,715.86/229,045.72 = 136,947.04/x
  3. Step 3: Cross multiply
    153,715.86x = 229,045.72 × 136,947.04
  4. Step 4: Simplify right side
    153,715.86x = 31,367,133,378.67
  5. Step 5: Solve for x
    x = 31,367,133,378.67/153,715.86
  6. Step 6: Final answer
    x = 204,059.19

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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.