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Finding the Fourth Proportional to 127,656.34, 176,241.74 and 113,468.18

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Solution

The fourth proportional to 127,656.34, 176,241.74 and 113,468.18 is: 156,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.34 : 176,241.74 = 113,468.18 : x
  2. Step 2: Convert to fraction form
    127,656.34/176,241.74 = 113,468.18/x
  3. Step 3: Cross multiply
    127,656.34x = 176,241.74 × 113,468.18
  4. Step 4: Simplify right side
    127,656.34x = 19,997,828,029.28
  5. Step 5: Solve for x
    x = 19,997,828,029.28/127,656.34
  6. Step 6: Final answer
    x = 156,653.63

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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.