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Finding the Fourth Proportional to 216,089.55, 298,207.53 and 119,304.90

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Solution

The fourth proportional to 216,089.55, 298,207.53 and 119,304.90 is: 164,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,089.55 : 298,207.53 = 119,304.90 : x
  2. Step 2: Convert to fraction form
    216,089.55/298,207.53 = 119,304.90/x
  3. Step 3: Cross multiply
    216,089.55x = 298,207.53 × 119,304.90
  4. Step 4: Simplify right side
    216,089.55x = 35,577,619,545.90
  5. Step 5: Solve for x
    x = 35,577,619,545.90/216,089.55
  6. Step 6: Final answer
    x = 164,642.94

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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.