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Finding the Fourth Proportional to 286,061.36, 429,073.00 and 117,538.02

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Solution

The fourth proportional to 286,061.36, 429,073.00 and 117,538.02 is: 176,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,061.36 : 429,073.00 = 117,538.02 : x
  2. Step 2: Convert to fraction form
    286,061.36/429,073.00 = 117,538.02/x
  3. Step 3: Cross multiply
    286,061.36x = 429,073.00 × 117,538.02
  4. Step 4: Simplify right side
    286,061.36x = 50,432,390,561.62
  5. Step 5: Solve for x
    x = 50,432,390,561.62/286,061.36
  6. Step 6: Final answer
    x = 176,299.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.