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Finding the Fourth Proportional to 237,038.76, 355,484.03 and 79,230.31

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Solution

The fourth proportional to 237,038.76, 355,484.03 and 79,230.31 is: 118,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,038.76 : 355,484.03 = 79,230.31 : x
  2. Step 2: Convert to fraction form
    237,038.76/355,484.03 = 79,230.31/x
  3. Step 3: Cross multiply
    237,038.76x = 355,484.03 × 79,230.31
  4. Step 4: Simplify right side
    237,038.76x = 28,165,108,612.09
  5. Step 5: Solve for x
    x = 28,165,108,612.09/237,038.76
  6. Step 6: Final answer
    x = 118,820.69

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1.5x scale

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.