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Finding the Fourth Proportional to 103,482.60, 155,223.90 and 93,641.10

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Solution

The fourth proportional to 103,482.60, 155,223.90 and 93,641.10 is: 140,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,482.60 : 155,223.90 = 93,641.10 : x
  2. Step 2: Convert to fraction form
    103,482.60/155,223.90 = 93,641.10/x
  3. Step 3: Cross multiply
    103,482.60x = 155,223.90 × 93,641.10
  4. Step 4: Simplify right side
    103,482.60x = 14,535,336,742.29
  5. Step 5: Solve for x
    x = 14,535,336,742.29/103,482.60
  6. Step 6: Final answer
    x = 140,461.65

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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.