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Finding the Fourth Proportional to 152,615.98, 228,702.03 and 73,637.74

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Solution

The fourth proportional to 152,615.98, 228,702.03 and 73,637.74 is: 110,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,615.98 : 228,702.03 = 73,637.74 : x
  2. Step 2: Convert to fraction form
    152,615.98/228,702.03 = 73,637.74/x
  3. Step 3: Cross multiply
    152,615.98x = 228,702.03 × 73,637.74
  4. Step 4: Simplify right side
    152,615.98x = 16,841,100,622.61
  5. Step 5: Solve for x
    x = 16,841,100,622.61/152,615.98
  6. Step 6: Final answer
    x = 110,349.52

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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.