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Finding the Fourth Proportional to 212,992.61, 293,925.07 and 117,499.28

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Solution

The fourth proportional to 212,992.61, 293,925.07 and 117,499.28 is: 162,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,992.61 : 293,925.07 = 117,499.28 : x
  2. Step 2: Convert to fraction form
    212,992.61/293,925.07 = 117,499.28/x
  3. Step 3: Cross multiply
    212,992.61x = 293,925.07 × 117,499.28
  4. Step 4: Simplify right side
    212,992.61x = 34,535,984,833.76
  5. Step 5: Solve for x
    x = 34,535,984,833.76/212,992.61
  6. Step 6: Final answer
    x = 162,146.40

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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.