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Finding the Fourth Proportional to 237,045.60, 355,612.68 and 79,274.88

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Solution

The fourth proportional to 237,045.60, 355,612.68 and 79,274.88 is: 118,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,045.60 : 355,612.68 = 79,274.88 : x
  2. Step 2: Convert to fraction form
    237,045.60/355,612.68 = 79,274.88/x
  3. Step 3: Cross multiply
    237,045.60x = 355,612.68 × 79,274.88
  4. Step 4: Simplify right side
    237,045.60x = 28,191,152,533.48
  5. Step 5: Solve for x
    x = 28,191,152,533.48/237,045.60
  6. Step 6: Final answer
    x = 118,927.13

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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.