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Finding the Fourth Proportional to 249,872.57, 344,832.30 and 136,695.32

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Solution

The fourth proportional to 249,872.57, 344,832.30 and 136,695.32 is: 188,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,872.57 : 344,832.30 = 136,695.32 : x
  2. Step 2: Convert to fraction form
    249,872.57/344,832.30 = 136,695.32/x
  3. Step 3: Cross multiply
    249,872.57x = 344,832.30 × 136,695.32
  4. Step 4: Simplify right side
    249,872.57x = 47,136,961,082.23
  5. Step 5: Solve for x
    x = 47,136,961,082.23/249,872.57
  6. Step 6: Final answer
    x = 188,644.00

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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.