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Finding the Fourth Proportional to 153,957.20, 230,887.80 and 60,491.60

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Solution

The fourth proportional to 153,957.20, 230,887.80 and 60,491.60 is: 90,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,957.20 : 230,887.80 = 60,491.60 : x
  2. Step 2: Convert to fraction form
    153,957.20/230,887.80 = 60,491.60/x
  3. Step 3: Cross multiply
    153,957.20x = 230,887.80 × 60,491.60
  4. Step 4: Simplify right side
    153,957.20x = 13,966,772,442.48
  5. Step 5: Solve for x
    x = 13,966,772,442.48/153,957.20
  6. Step 6: Final answer
    x = 90,718.54

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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.