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Finding the Fourth Proportional to 152,594.10, 228,729.15 and 73,656.90

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Solution

The fourth proportional to 152,594.10, 228,729.15 and 73,656.90 is: 110,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,594.10 : 228,729.15 = 73,656.90 : x
  2. Step 2: Convert to fraction form
    152,594.10/228,729.15 = 73,656.90/x
  3. Step 3: Cross multiply
    152,594.10x = 228,729.15 × 73,656.90
  4. Step 4: Simplify right side
    152,594.10x = 16,847,480,128.64
  5. Step 5: Solve for x
    x = 16,847,480,128.64/152,594.10
  6. Step 6: Final answer
    x = 110,407.15

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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.