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Finding the Fourth Proportional to 174,137.76, 240,364.80 and 98,736.48

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Solution

The fourth proportional to 174,137.76, 240,364.80 and 98,736.48 is: 136,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,137.76 : 240,364.80 = 98,736.48 : x
  2. Step 2: Convert to fraction form
    174,137.76/240,364.80 = 98,736.48/x
  3. Step 3: Cross multiply
    174,137.76x = 240,364.80 × 98,736.48
  4. Step 4: Simplify right side
    174,137.76x = 23,732,774,267.90
  5. Step 5: Solve for x
    x = 23,732,774,267.90/174,137.76
  6. Step 6: Final answer
    x = 136,287.35

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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.