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Finding the Fourth Proportional to 130,818.25, 196,256.63 and 47,712.25

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Solution

The fourth proportional to 130,818.25, 196,256.63 and 47,712.25 is: 71,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,818.25 : 196,256.63 = 47,712.25 : x
  2. Step 2: Convert to fraction form
    130,818.25/196,256.63 = 47,712.25/x
  3. Step 3: Cross multiply
    130,818.25x = 196,256.63 × 47,712.25
  4. Step 4: Simplify right side
    130,818.25x = 9,363,845,394.72
  5. Step 5: Solve for x
    x = 9,363,845,394.72/130,818.25
  6. Step 6: Final answer
    x = 71,579.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.