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Finding the Fourth Proportional to 104,816.64, 144,734.04 and 97,218.88

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Solution

The fourth proportional to 104,816.64, 144,734.04 and 97,218.88 is: 134,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816.64 : 144,734.04 = 97,218.88 : x
  2. Step 2: Convert to fraction form
    104,816.64/144,734.04 = 97,218.88/x
  3. Step 3: Cross multiply
    104,816.64x = 144,734.04 × 97,218.88
  4. Step 4: Simplify right side
    104,816.64x = 14,070,881,266.68
  5. Step 5: Solve for x
    x = 14,070,881,266.68/104,816.64
  6. Step 6: Final answer
    x = 134,242.82

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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.