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Finding the Fourth Proportional to 110,831.60, 155,557.90 and 110,831.60

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Solution

The fourth proportional to 110,831.60, 155,557.90 and 110,831.60 is: 155,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,831.60 : 155,557.90 = 110,831.60 : x
  2. Step 2: Convert to fraction form
    110,831.60/155,557.90 = 110,831.60/x
  3. Step 3: Cross multiply
    110,831.60x = 155,557.90 × 110,831.60
  4. Step 4: Simplify right side
    110,831.60x = 17,240,730,949.64
  5. Step 5: Solve for x
    x = 17,240,730,949.64/110,831.60
  6. Step 6: Final answer
    x = 155,557.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.