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Finding the Fourth Proportional to 70,005,093.60, 104,976,147.60 and 26,859,957.60

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Solution

The fourth proportional to 70,005,093.60, 104,976,147.60 and 26,859,957.60 is: 40,277,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,005,093.60 : 104,976,147.60 = 26,859,957.60 : x
  2. Step 2: Convert to fraction form
    70,005,093.60/104,976,147.60 = 26,859,957.60/x
  3. Step 3: Cross multiply
    70,005,093.60x = 104,976,147.60 × 26,859,957.60
  4. Step 4: Simplify right side
    70,005,093.60x = 2,819,654,873,547,342
  5. Step 5: Solve for x
    x = 2,819,654,873,547,342/70,005,093.60
  6. Step 6: Final answer
    x = 40,277,853.06

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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.