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Finding the Fourth Proportional to 207,290.10, 286,038.29 and 116,644.49

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Solution

The fourth proportional to 207,290.10, 286,038.29 and 116,644.49 is: 160,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,290.10 : 286,038.29 = 116,644.49 : x
  2. Step 2: Convert to fraction form
    207,290.10/286,038.29 = 116,644.49/x
  3. Step 3: Cross multiply
    207,290.10x = 286,038.29 × 116,644.49
  4. Step 4: Simplify right side
    207,290.10x = 33,364,789,735.46
  5. Step 5: Solve for x
    x = 33,364,789,735.46/207,290.10
  6. Step 6: Final answer
    x = 160,956.98

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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.