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Finding the Fourth Proportional to 249,881.50, 344,844.57 and 136,704.25

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Solution

The fourth proportional to 249,881.50, 344,844.57 and 136,704.25 is: 188,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,881.50 : 344,844.57 = 136,704.25 : x
  2. Step 2: Convert to fraction form
    249,881.50/344,844.57 = 136,704.25/x
  3. Step 3: Cross multiply
    249,881.50x = 344,844.57 × 136,704.25
  4. Step 4: Simplify right side
    249,881.50x = 47,141,718,308.42
  5. Step 5: Solve for x
    x = 47,141,718,308.42/249,881.50
  6. Step 6: Final answer
    x = 188,656.30

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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.