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Finding the Fourth Proportional to 174,221.74, 240,411.48 and 97,730.20

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Solution

The fourth proportional to 174,221.74, 240,411.48 and 97,730.20 is: 134,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,221.74 : 240,411.48 = 97,730.20 : x
  2. Step 2: Convert to fraction form
    174,221.74/240,411.48 = 97,730.20/x
  3. Step 3: Cross multiply
    174,221.74x = 240,411.48 × 97,730.20
  4. Step 4: Simplify right side
    174,221.74x = 23,495,462,022.70
  5. Step 5: Solve for x
    x = 23,495,462,022.70/174,221.74
  6. Step 6: Final answer
    x = 134,859.53

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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.