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Finding the Fourth Proportional to 209,881.72, 314,729.94 and 60,088.02

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Solution

The fourth proportional to 209,881.72, 314,729.94 and 60,088.02 is: 90,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,881.72 : 314,729.94 = 60,088.02 : x
  2. Step 2: Convert to fraction form
    209,881.72/314,729.94 = 60,088.02/x
  3. Step 3: Cross multiply
    209,881.72x = 314,729.94 × 60,088.02
  4. Step 4: Simplify right side
    209,881.72x = 18,911,498,929.32
  5. Step 5: Solve for x
    x = 18,911,498,929.32/209,881.72
  6. Step 6: Final answer
    x = 90,105.51

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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.