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Finding the Fourth Proportional to 64,079.93, 88,437.93 and 47,089.98

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Solution

The fourth proportional to 64,079.93, 88,437.93 and 47,089.98 is: 64,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,079.93 : 88,437.93 = 47,089.98 : x
  2. Step 2: Convert to fraction form
    64,079.93/88,437.93 = 47,089.98/x
  3. Step 3: Cross multiply
    64,079.93x = 88,437.93 × 47,089.98
  4. Step 4: Simplify right side
    64,079.93x = 4,164,540,178.35
  5. Step 5: Solve for x
    x = 4,164,540,178.35/64,079.93
  6. Step 6: Final answer
    x = 64,989.77

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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.