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Finding the Fourth Proportional to 98,681.60, 148,022.40 and 36,376.40

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Solution

The fourth proportional to 98,681.60, 148,022.40 and 36,376.40 is: 54,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,681.60 : 148,022.40 = 36,376.40 : x
  2. Step 2: Convert to fraction form
    98,681.60/148,022.40 = 36,376.40/x
  3. Step 3: Cross multiply
    98,681.60x = 148,022.40 × 36,376.40
  4. Step 4: Simplify right side
    98,681.60x = 5,384,522,031.36
  5. Step 5: Solve for x
    x = 5,384,522,031.36/98,681.60
  6. Step 6: Final answer
    x = 54,564.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.