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Finding the Fourth Proportional to 98,673.60, 148,010.40 and 57,201.60

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Solution

The fourth proportional to 98,673.60, 148,010.40 and 57,201.60 is: 85,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,673.60 : 148,010.40 = 57,201.60 : x
  2. Step 2: Convert to fraction form
    98,673.60/148,010.40 = 57,201.60/x
  3. Step 3: Cross multiply
    98,673.60x = 148,010.40 × 57,201.60
  4. Step 4: Simplify right side
    98,673.60x = 8,466,431,696.64
  5. Step 5: Solve for x
    x = 8,466,431,696.64/98,673.60
  6. Step 6: Final answer
    x = 85,802.40

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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.