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Finding the Fourth Proportional to 219,492.24, 328,799.84 and 101,001.12

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Solution

The fourth proportional to 219,492.24, 328,799.84 and 101,001.12 is: 151,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,492.24 : 328,799.84 = 101,001.12 : x
  2. Step 2: Convert to fraction form
    219,492.24/328,799.84 = 101,001.12/x
  3. Step 3: Cross multiply
    219,492.24x = 328,799.84 × 101,001.12
  4. Step 4: Simplify right side
    219,492.24x = 33,209,152,095.82
  5. Step 5: Solve for x
    x = 33,209,152,095.82/219,492.24
  6. Step 6: Final answer
    x = 151,299.89

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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.