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Finding the Fourth Proportional to 127,317, 175,697.58 and 70,733.64

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Solution

The fourth proportional to 127,317, 175,697.58 and 70,733.64 is: 97,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,317 : 175,697.58 = 70,733.64 : x
  2. Step 2: Convert to fraction form
    127,317/175,697.58 = 70,733.64/x
  3. Step 3: Cross multiply
    127,317x = 175,697.58 × 70,733.64
  4. Step 4: Simplify right side
    127,317x = 12,427,729,372.59
  5. Step 5: Solve for x
    x = 12,427,729,372.59/127,317
  6. Step 6: Final answer
    x = 97,612.49

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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.