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Finding the Fourth Proportional to 70,168.68, 96,831.64 and 38,336.89

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Solution

The fourth proportional to 70,168.68, 96,831.64 and 38,336.89 is: 52,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.68 : 96,831.64 = 38,336.89 : x
  2. Step 2: Convert to fraction form
    70,168.68/96,831.64 = 38,336.89/x
  3. Step 3: Cross multiply
    70,168.68x = 96,831.64 × 38,336.89
  4. Step 4: Simplify right side
    70,168.68x = 3,712,223,931.20
  5. Step 5: Solve for x
    x = 3,712,223,931.20/70,168.68
  6. Step 6: Final answer
    x = 52,904.29

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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.