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Finding the Fourth Proportional to 212,758.59, 293,585.83 and 126,700.46

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Solution

The fourth proportional to 212,758.59, 293,585.83 and 126,700.46 is: 174,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,758.59 : 293,585.83 = 126,700.46 : x
  2. Step 2: Convert to fraction form
    212,758.59/293,585.83 = 126,700.46/x
  3. Step 3: Cross multiply
    212,758.59x = 293,585.83 × 126,700.46
  4. Step 4: Simplify right side
    212,758.59x = 37,197,457,925.80
  5. Step 5: Solve for x
    x = 37,197,457,925.80/212,758.59
  6. Step 6: Final answer
    x = 174,834.11

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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.