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Finding the Fourth Proportional to 171,752.59, 236,970.12 and 111,325.78

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Solution

The fourth proportional to 171,752.59, 236,970.12 and 111,325.78 is: 153,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,752.59 : 236,970.12 = 111,325.78 : x
  2. Step 2: Convert to fraction form
    171,752.59/236,970.12 = 111,325.78/x
  3. Step 3: Cross multiply
    171,752.59x = 236,970.12 × 111,325.78
  4. Step 4: Simplify right side
    171,752.59x = 26,380,883,445.69
  5. Step 5: Solve for x
    x = 26,380,883,445.69/171,752.59
  6. Step 6: Final answer
    x = 153,598.17

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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.