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Finding the Fourth Proportional to 74,718, 112,094.76 and 25,470

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Solution

The fourth proportional to 74,718, 112,094.76 and 25,470 is: 38,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,718 : 112,094.76 = 25,470 : x
  2. Step 2: Convert to fraction form
    74,718/112,094.76 = 25,470/x
  3. Step 3: Cross multiply
    74,718x = 112,094.76 × 25,470
  4. Step 4: Simplify right side
    74,718x = 2,855,053,537.20
  5. Step 5: Solve for x
    x = 2,855,053,537.20/74,718
  6. Step 6: Final answer
    x = 38,211.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.