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Finding the Fourth Proportional to 152,394.40, 228,154.20 and 93,345.40

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Solution

The fourth proportional to 152,394.40, 228,154.20 and 93,345.40 is: 139,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,394.40 : 228,154.20 = 93,345.40 : x
  2. Step 2: Convert to fraction form
    152,394.40/228,154.20 = 93,345.40/x
  3. Step 3: Cross multiply
    152,394.40x = 228,154.20 × 93,345.40
  4. Step 4: Simplify right side
    152,394.40x = 21,297,145,060.68
  5. Step 5: Solve for x
    x = 21,297,145,060.68/152,394.40
  6. Step 6: Final answer
    x = 139,750.18

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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.