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Finding the Fourth Proportional to 153,167.76, 229,751.73 and 47,994.96

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Solution

The fourth proportional to 153,167.76, 229,751.73 and 47,994.96 is: 71,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,167.76 : 229,751.73 = 47,994.96 : x
  2. Step 2: Convert to fraction form
    153,167.76/229,751.73 = 47,994.96/x
  3. Step 3: Cross multiply
    153,167.76x = 229,751.73 × 47,994.96
  4. Step 4: Simplify right side
    153,167.76x = 11,026,925,091.28
  5. Step 5: Solve for x
    x = 11,026,925,091.28/153,167.76
  6. Step 6: Final answer
    x = 71,992.47

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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.