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Finding the Fourth Proportional to 358,340.09, 537,511.25 and 88,468.26

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Solution

The fourth proportional to 358,340.09, 537,511.25 and 88,468.26 is: 132,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,340.09 : 537,511.25 = 88,468.26 : x
  2. Step 2: Convert to fraction form
    358,340.09/537,511.25 = 88,468.26/x
  3. Step 3: Cross multiply
    358,340.09x = 537,511.25 × 88,468.26
  4. Step 4: Simplify right side
    358,340.09x = 47,552,686,862.37
  5. Step 5: Solve for x
    x = 47,552,686,862.37/358,340.09
  6. Step 6: Final answer
    x = 132,702.67

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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.