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Finding the Fourth Proportional to 127,242.96, 175,596.84 and 70,659.60

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Solution

The fourth proportional to 127,242.96, 175,596.84 and 70,659.60 is: 97,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,242.96 : 175,596.84 = 70,659.60 : x
  2. Step 2: Convert to fraction form
    127,242.96/175,596.84 = 70,659.60/x
  3. Step 3: Cross multiply
    127,242.96x = 175,596.84 × 70,659.60
  4. Step 4: Simplify right side
    127,242.96x = 12,407,602,475.66
  5. Step 5: Solve for x
    x = 12,407,602,475.66/127,242.96
  6. Step 6: Final answer
    x = 97,511.11

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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.