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Finding the Fourth Proportional to 115,775,554.80, 159,770,580 and 63,567,972

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Solution

The fourth proportional to 115,775,554.80, 159,770,580 and 63,567,972 is: 87,723,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,775,554.80 : 159,770,580 = 63,567,972 : x
  2. Step 2: Convert to fraction form
    115,775,554.80/159,770,580 = 63,567,972/x
  3. Step 3: Cross multiply
    115,775,554.80x = 159,770,580 × 63,567,972
  4. Step 4: Simplify right side
    115,775,554.80x = 10,156,291,755,863,760
  5. Step 5: Solve for x
    x = 10,156,291,755,863,760/115,775,554.80
  6. Step 6: Final answer
    x = 87,723,973.97

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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.