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Finding the Fourth Proportional to 98,924.40, 148,386.60 and 96,008.40

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Solution

The fourth proportional to 98,924.40, 148,386.60 and 96,008.40 is: 144,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,924.40 : 148,386.60 = 96,008.40 : x
  2. Step 2: Convert to fraction form
    98,924.40/148,386.60 = 96,008.40/x
  3. Step 3: Cross multiply
    98,924.40x = 148,386.60 × 96,008.40
  4. Step 4: Simplify right side
    98,924.40x = 14,246,360,047.44
  5. Step 5: Solve for x
    x = 14,246,360,047.44/98,924.40
  6. Step 6: Final answer
    x = 144,012.60

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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.