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Finding the Fourth Proportional to 153,796.48, 212,202.92 and 93,365.60

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Solution

The fourth proportional to 153,796.48, 212,202.92 and 93,365.60 is: 128,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,796.48 : 212,202.92 = 93,365.60 : x
  2. Step 2: Convert to fraction form
    153,796.48/212,202.92 = 93,365.60/x
  3. Step 3: Cross multiply
    153,796.48x = 212,202.92 × 93,365.60
  4. Step 4: Simplify right side
    153,796.48x = 19,812,452,947.55
  5. Step 5: Solve for x
    x = 19,812,452,947.55/153,796.48
  6. Step 6: Final answer
    x = 128,822.54

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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.