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Finding the Fourth Proportional to 220,303.76, 304,019.98 and 119,701.76

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Solution

The fourth proportional to 220,303.76, 304,019.98 and 119,701.76 is: 165,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,303.76 : 304,019.98 = 119,701.76 : x
  2. Step 2: Convert to fraction form
    220,303.76/304,019.98 = 119,701.76/x
  3. Step 3: Cross multiply
    220,303.76x = 304,019.98 × 119,701.76
  4. Step 4: Simplify right side
    220,303.76x = 36,391,726,681.16
  5. Step 5: Solve for x
    x = 36,391,726,681.16/220,303.76
  6. Step 6: Final answer
    x = 165,188.86

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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.