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Finding the Fourth Proportional to 117,670.58, 162,387.04 and 63,955.58

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Solution

The fourth proportional to 117,670.58, 162,387.04 and 63,955.58 is: 88,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,670.58 : 162,387.04 = 63,955.58 : x
  2. Step 2: Convert to fraction form
    117,670.58/162,387.04 = 63,955.58/x
  3. Step 3: Cross multiply
    117,670.58x = 162,387.04 × 63,955.58
  4. Step 4: Simplify right side
    117,670.58x = 10,385,556,355.86
  5. Step 5: Solve for x
    x = 10,385,556,355.86/117,670.58
  6. Step 6: Final answer
    x = 88,259.59

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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.