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Finding the Fourth Proportional to 174,445.80, 240,721.48 and 98,994.30

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Solution

The fourth proportional to 174,445.80, 240,721.48 and 98,994.30 is: 136,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,445.80 : 240,721.48 = 98,994.30 : x
  2. Step 2: Convert to fraction form
    174,445.80/240,721.48 = 98,994.30/x
  3. Step 3: Cross multiply
    174,445.80x = 240,721.48 × 98,994.30
  4. Step 4: Simplify right side
    174,445.80x = 23,830,054,407.56
  5. Step 5: Solve for x
    x = 23,830,054,407.56/174,445.80
  6. Step 6: Final answer
    x = 136,604.35

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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.