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Finding the Fourth Proportional to 144,392.40, 216,612.36 and 44,549.28

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Solution

The fourth proportional to 144,392.40, 216,612.36 and 44,549.28 is: 66,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,392.40 : 216,612.36 = 44,549.28 : x
  2. Step 2: Convert to fraction form
    144,392.40/216,612.36 = 44,549.28/x
  3. Step 3: Cross multiply
    144,392.40x = 216,612.36 × 44,549.28
  4. Step 4: Simplify right side
    144,392.40x = 9,649,924,677.10
  5. Step 5: Solve for x
    x = 9,649,924,677.10/144,392.40
  6. Step 6: Final answer
    x = 66,831.25

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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.