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Finding the Fourth Proportional to 98,924.40, 136,515.24 and 53,602.56

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Solution

The fourth proportional to 98,924.40, 136,515.24 and 53,602.56 is: 73,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,924.40 : 136,515.24 = 53,602.56 : x
  2. Step 2: Convert to fraction form
    98,924.40/136,515.24 = 53,602.56/x
  3. Step 3: Cross multiply
    98,924.40x = 136,515.24 × 53,602.56
  4. Step 4: Simplify right side
    98,924.40x = 7,317,566,343.01
  5. Step 5: Solve for x
    x = 7,317,566,343.01/98,924.40
  6. Step 6: Final answer
    x = 73,971.30

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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.