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Finding the Fourth Proportional to 70,110,011.20, 105,165,016.80 and 24,671,444.80

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Solution

The fourth proportional to 70,110,011.20, 105,165,016.80 and 24,671,444.80 is: 37,007,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110,011.20 : 105,165,016.80 = 24,671,444.80 : x
  2. Step 2: Convert to fraction form
    70,110,011.20/105,165,016.80 = 24,671,444.80/x
  3. Step 3: Cross multiply
    70,110,011.20x = 105,165,016.80 × 24,671,444.80
  4. Step 4: Simplify right side
    70,110,011.20x = 2,594,572,906,872,272.50
  5. Step 5: Solve for x
    x = 2,594,572,906,872,272.50/70,110,011.20
  6. Step 6: Final answer
    x = 37,007,167.20

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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.