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Finding the Fourth Proportional to 70,802.80, 97,688.10 and 43,946.44

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Solution

The fourth proportional to 70,802.80, 97,688.10 and 43,946.44 is: 60,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,802.80 : 97,688.10 = 43,946.44 : x
  2. Step 2: Convert to fraction form
    70,802.80/97,688.10 = 43,946.44/x
  3. Step 3: Cross multiply
    70,802.80x = 97,688.10 × 43,946.44
  4. Step 4: Simplify right side
    70,802.80x = 4,293,044,225.36
  5. Step 5: Solve for x
    x = 4,293,044,225.36/70,802.80
  6. Step 6: Final answer
    x = 60,633.82

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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.