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Finding the Fourth Proportional to 173,766.40, 239,798.40 and 98,329.60

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Solution

The fourth proportional to 173,766.40, 239,798.40 and 98,329.60 is: 135,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,766.40 : 239,798.40 = 98,329.60 : x
  2. Step 2: Convert to fraction form
    173,766.40/239,798.40 = 98,329.60/x
  3. Step 3: Cross multiply
    173,766.40x = 239,798.40 × 98,329.60
  4. Step 4: Simplify right side
    173,766.40x = 23,579,280,752.64
  5. Step 5: Solve for x
    x = 23,579,280,752.64/173,766.40
  6. Step 6: Final answer
    x = 135,695.28

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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.