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Finding the Fourth Proportional to 70,169.54, 96,831.12 and 38,339.54

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Solution

The fourth proportional to 70,169.54, 96,831.12 and 38,339.54 is: 52,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,169.54 : 96,831.12 = 38,339.54 : x
  2. Step 2: Convert to fraction form
    70,169.54/96,831.12 = 38,339.54/x
  3. Step 3: Cross multiply
    70,169.54x = 96,831.12 × 38,339.54
  4. Step 4: Simplify right side
    70,169.54x = 3,712,460,598.48
  5. Step 5: Solve for x
    x = 3,712,460,598.48/70,169.54
  6. Step 6: Final answer
    x = 52,907.01

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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.