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Finding the Fourth Proportional to 74,604, 102,953.52 and 41,070

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Solution

The fourth proportional to 74,604, 102,953.52 and 41,070 is: 56,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604 : 102,953.52 = 41,070 : x
  2. Step 2: Convert to fraction form
    74,604/102,953.52 = 41,070/x
  3. Step 3: Cross multiply
    74,604x = 102,953.52 × 41,070
  4. Step 4: Simplify right side
    74,604x = 4,228,301,066.40
  5. Step 5: Solve for x
    x = 4,228,301,066.40/74,604
  6. Step 6: Final answer
    x = 56,676.60

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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.