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Finding the Fourth Proportional to 207,110.88, 310,670.10 and 64,952.98

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Solution

The fourth proportional to 207,110.88, 310,670.10 and 64,952.98 is: 97,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,110.88 : 310,670.10 = 64,952.98 : x
  2. Step 2: Convert to fraction form
    207,110.88/310,670.10 = 64,952.98/x
  3. Step 3: Cross multiply
    207,110.88x = 310,670.10 × 64,952.98
  4. Step 4: Simplify right side
    207,110.88x = 20,178,948,791.90
  5. Step 5: Solve for x
    x = 20,178,948,791.90/207,110.88
  6. Step 6: Final answer
    x = 97,430.66

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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.