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Finding the Fourth Proportional to 70,373.16, 105,570.68 and 23,636.97

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Solution

The fourth proportional to 70,373.16, 105,570.68 and 23,636.97 is: 35,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,373.16 : 105,570.68 = 23,636.97 : x
  2. Step 2: Convert to fraction form
    70,373.16/105,570.68 = 23,636.97/x
  3. Step 3: Cross multiply
    70,373.16x = 105,570.68 × 23,636.97
  4. Step 4: Simplify right side
    70,373.16x = 2,495,370,996.04
  5. Step 5: Solve for x
    x = 2,495,370,996.04/70,373.16
  6. Step 6: Final answer
    x = 35,459.13

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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.