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Finding the Fourth Proportional to 228,482.70, 342,821.97 and 88,339.74

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Solution

The fourth proportional to 228,482.70, 342,821.97 and 88,339.74 is: 132,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,482.70 : 342,821.97 = 88,339.74 : x
  2. Step 2: Convert to fraction form
    228,482.70/342,821.97 = 88,339.74/x
  3. Step 3: Cross multiply
    228,482.70x = 342,821.97 × 88,339.74
  4. Step 4: Simplify right side
    228,482.70x = 30,284,803,696.09
  5. Step 5: Solve for x
    x = 30,284,803,696.09/228,482.70
  6. Step 6: Final answer
    x = 132,547.47

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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.