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Finding the Fourth Proportional to 74,629, 102,988.02 and 41,095

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Solution

The fourth proportional to 74,629, 102,988.02 and 41,095 is: 56,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,629 : 102,988.02 = 41,095 : x
  2. Step 2: Convert to fraction form
    74,629/102,988.02 = 41,095/x
  3. Step 3: Cross multiply
    74,629x = 102,988.02 × 41,095
  4. Step 4: Simplify right side
    74,629x = 4,232,292,681.90
  5. Step 5: Solve for x
    x = 4,232,292,681.90/74,629
  6. Step 6: Final answer
    x = 56,711.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.