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Finding the Fourth Proportional to 180,184.74, 248,654.90 and 98,513.28

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Solution

The fourth proportional to 180,184.74, 248,654.90 and 98,513.28 is: 135,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,184.74 : 248,654.90 = 98,513.28 : x
  2. Step 2: Convert to fraction form
    180,184.74/248,654.90 = 98,513.28/x
  3. Step 3: Cross multiply
    180,184.74x = 248,654.90 × 98,513.28
  4. Step 4: Simplify right side
    180,184.74x = 24,495,809,787.07
  5. Step 5: Solve for x
    x = 24,495,809,787.07/180,184.74
  6. Step 6: Final answer
    x = 135,948.30

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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.