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Finding the Fourth Proportional to 255,258, 383,061.96 and 89,046

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Solution

The fourth proportional to 255,258, 383,061.96 and 89,046 is: 133,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,258 : 383,061.96 = 89,046 : x
  2. Step 2: Convert to fraction form
    255,258/383,061.96 = 89,046/x
  3. Step 3: Cross multiply
    255,258x = 383,061.96 × 89,046
  4. Step 4: Simplify right side
    255,258x = 34,110,135,290.16
  5. Step 5: Solve for x
    x = 34,110,135,290.16/255,258
  6. Step 6: Final answer
    x = 133,630.03

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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.