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Finding the Fourth Proportional to 216,792.64, 299,209.24 and 148,753.45

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Solution

The fourth proportional to 216,792.64, 299,209.24 and 148,753.45 is: 205,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,792.64 : 299,209.24 = 148,753.45 : x
  2. Step 2: Convert to fraction form
    216,792.64/299,209.24 = 148,753.45/x
  3. Step 3: Cross multiply
    216,792.64x = 299,209.24 × 148,753.45
  4. Step 4: Simplify right side
    216,792.64x = 44,508,405,225.83
  5. Step 5: Solve for x
    x = 44,508,405,225.83/216,792.64
  6. Step 6: Final answer
    x = 205,304.05

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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.