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Finding the Fourth Proportional to 207,602.79, 286,432.59 and 116,927.07

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Solution

The fourth proportional to 207,602.79, 286,432.59 and 116,927.07 is: 161,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,602.79 : 286,432.59 = 116,927.07 : x
  2. Step 2: Convert to fraction form
    207,602.79/286,432.59 = 116,927.07/x
  3. Step 3: Cross multiply
    207,602.79x = 286,432.59 × 116,927.07
  4. Step 4: Simplify right side
    207,602.79x = 33,491,723,501.21
  5. Step 5: Solve for x
    x = 33,491,723,501.21/207,602.79
  6. Step 6: Final answer
    x = 161,325.98

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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.