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Finding the Fourth Proportional to 219,328.32, 328,773.12 and 101,085.12

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Solution

The fourth proportional to 219,328.32, 328,773.12 and 101,085.12 is: 151,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,328.32 : 328,773.12 = 101,085.12 : x
  2. Step 2: Convert to fraction form
    219,328.32/328,773.12 = 101,085.12/x
  3. Step 3: Cross multiply
    219,328.32x = 328,773.12 × 101,085.12
  4. Step 4: Simplify right side
    219,328.32x = 33,234,070,287.97
  5. Step 5: Solve for x
    x = 33,234,070,287.97/219,328.32
  6. Step 6: Final answer
    x = 151,526.58

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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.