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Finding the Fourth Proportional to 358,308.90, 537,482.16 and 92,071.17

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Solution

The fourth proportional to 358,308.90, 537,482.16 and 92,071.17 is: 138,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,308.90 : 537,482.16 = 92,071.17 : x
  2. Step 2: Convert to fraction form
    358,308.90/537,482.16 = 92,071.17/x
  3. Step 3: Cross multiply
    358,308.90x = 537,482.16 × 92,071.17
  4. Step 4: Simplify right side
    358,308.90x = 49,486,611,325.33
  5. Step 5: Solve for x
    x = 49,486,611,325.33/358,308.90
  6. Step 6: Final answer
    x = 138,111.59

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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.