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Finding the Fourth Proportional to 249,493.77, 344,301.35 and 134,772.39

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Solution

The fourth proportional to 249,493.77, 344,301.35 and 134,772.39 is: 185,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,493.77 : 344,301.35 = 134,772.39 : x
  2. Step 2: Convert to fraction form
    249,493.77/344,301.35 = 134,772.39/x
  3. Step 3: Cross multiply
    249,493.77x = 344,301.35 × 134,772.39
  4. Step 4: Simplify right side
    249,493.77x = 46,402,315,145.86
  5. Step 5: Solve for x
    x = 46,402,315,145.86/249,493.77
  6. Step 6: Final answer
    x = 185,985.87

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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.