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Finding the Fourth Proportional to 70,302.56, 105,454.64 and 23,555.52

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Solution

The fourth proportional to 70,302.56, 105,454.64 and 23,555.52 is: 35,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,302.56 : 105,454.64 = 23,555.52 : x
  2. Step 2: Convert to fraction form
    70,302.56/105,454.64 = 23,555.52/x
  3. Step 3: Cross multiply
    70,302.56x = 105,454.64 × 23,555.52
  4. Step 4: Simplify right side
    70,302.56x = 2,484,038,881.61
  5. Step 5: Solve for x
    x = 2,484,038,881.61/70,302.56
  6. Step 6: Final answer
    x = 35,333.55

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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.