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Finding the Fourth Proportional to 97,130.56, 134,057.28 and 92,698.24

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Solution

The fourth proportional to 97,130.56, 134,057.28 and 92,698.24 is: 127,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,130.56 : 134,057.28 = 92,698.24 : x
  2. Step 2: Convert to fraction form
    97,130.56/134,057.28 = 92,698.24/x
  3. Step 3: Cross multiply
    97,130.56x = 134,057.28 × 92,698.24
  4. Step 4: Simplify right side
    97,130.56x = 12,426,873,915.19
  5. Step 5: Solve for x
    x = 12,426,873,915.19/97,130.56
  6. Step 6: Final answer
    x = 127,939.90

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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.