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Finding the Fourth Proportional to 253,582.92, 349,920.19 and 151,588.12

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Solution

The fourth proportional to 253,582.92, 349,920.19 and 151,588.12 is: 209,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,582.92 : 349,920.19 = 151,588.12 : x
  2. Step 2: Convert to fraction form
    253,582.92/349,920.19 = 151,588.12/x
  3. Step 3: Cross multiply
    253,582.92x = 349,920.19 × 151,588.12
  4. Step 4: Simplify right side
    253,582.92x = 53,043,743,373.17
  5. Step 5: Solve for x
    x = 53,043,743,373.17/253,582.92
  6. Step 6: Final answer
    x = 209,177.12

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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.