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Finding the Fourth Proportional to 251,193.68, 346,646.76 and 136,472.72

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Solution

The fourth proportional to 251,193.68, 346,646.76 and 136,472.72 is: 188,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,193.68 : 346,646.76 = 136,472.72 : x
  2. Step 2: Convert to fraction form
    251,193.68/346,646.76 = 136,472.72/x
  3. Step 3: Cross multiply
    251,193.68x = 346,646.76 × 136,472.72
  4. Step 4: Simplify right side
    251,193.68x = 47,307,826,216.39
  5. Step 5: Solve for x
    x = 47,307,826,216.39/251,193.68
  6. Step 6: Final answer
    x = 188,332.07

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1.5x scale

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.