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Finding the Fourth Proportional to 249,662.84, 344,534.72 and 136,485.59

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Solution

The fourth proportional to 249,662.84, 344,534.72 and 136,485.59 is: 188,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,662.84 : 344,534.72 = 136,485.59 : x
  2. Step 2: Convert to fraction form
    249,662.84/344,534.72 = 136,485.59/x
  3. Step 3: Cross multiply
    249,662.84x = 344,534.72 × 136,485.59
  4. Step 4: Simplify right side
    249,662.84x = 47,024,022,129.58
  5. Step 5: Solve for x
    x = 47,024,022,129.58/249,662.84
  6. Step 6: Final answer
    x = 188,350.11

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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.