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Finding the Fourth Proportional to 219,349.80, 328,769.55 and 101,033.10

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Solution

The fourth proportional to 219,349.80, 328,769.55 and 101,033.10 is: 151,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,349.80 : 328,769.55 = 101,033.10 : x
  2. Step 2: Convert to fraction form
    219,349.80/328,769.55 = 101,033.10/x
  3. Step 3: Cross multiply
    219,349.80x = 328,769.55 × 101,033.10
  4. Step 4: Simplify right side
    219,349.80x = 33,216,606,822.11
  5. Step 5: Solve for x
    x = 33,216,606,822.11/219,349.80
  6. Step 6: Final answer
    x = 151,432.13

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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.