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Finding the Fourth Proportional to 249,553.98, 344,384.10 and 136,376.64

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Solution

The fourth proportional to 249,553.98, 344,384.10 and 136,376.64 is: 188,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,553.98 : 344,384.10 = 136,376.64 : x
  2. Step 2: Convert to fraction form
    249,553.98/344,384.10 = 136,376.64/x
  3. Step 3: Cross multiply
    249,553.98x = 344,384.10 × 136,376.64
  4. Step 4: Simplify right side
    249,553.98x = 46,965,946,427.42
  5. Step 5: Solve for x
    x = 46,965,946,427.42/249,553.98
  6. Step 6: Final answer
    x = 188,199.55

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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.