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Finding the Fourth Proportional to 155,671.42, 214,831.83 and 92,063.74

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Solution

The fourth proportional to 155,671.42, 214,831.83 and 92,063.74 is: 127,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,671.42 : 214,831.83 = 92,063.74 : x
  2. Step 2: Convert to fraction form
    155,671.42/214,831.83 = 92,063.74/x
  3. Step 3: Cross multiply
    155,671.42x = 214,831.83 × 92,063.74
  4. Step 4: Simplify right side
    155,671.42x = 19,778,221,740.84
  5. Step 5: Solve for x
    x = 19,778,221,740.84/155,671.42
  6. Step 6: Final answer
    x = 127,051.08

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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.