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Finding the Fourth Proportional to 70,574.76, 97,360.68 and 45,068.35

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Solution

The fourth proportional to 70,574.76, 97,360.68 and 45,068.35 is: 62,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,574.76 : 97,360.68 = 45,068.35 : x
  2. Step 2: Convert to fraction form
    70,574.76/97,360.68 = 45,068.35/x
  3. Step 3: Cross multiply
    70,574.76x = 97,360.68 × 45,068.35
  4. Step 4: Simplify right side
    70,574.76x = 4,387,885,310.63
  5. Step 5: Solve for x
    x = 4,387,885,310.63/70,574.76
  6. Step 6: Final answer
    x = 62,173.58

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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.