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Finding the Fourth Proportional to 63,124.84, 87,108.60 and 34,830.46

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Solution

The fourth proportional to 63,124.84, 87,108.60 and 34,830.46 is: 48,064.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,124.84 : 87,108.60 = 34,830.46 : x
  2. Step 2: Convert to fraction form
    63,124.84/87,108.60 = 34,830.46/x
  3. Step 3: Cross multiply
    63,124.84x = 87,108.60 × 34,830.46
  4. Step 4: Simplify right side
    63,124.84x = 3,034,032,607.96
  5. Step 5: Solve for x
    x = 3,034,032,607.96/63,124.84
  6. Step 6: Final answer
    x = 48,064.00

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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.