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Finding the Fourth Proportional to 70,798.50, 97,701.93 and 42,504.39

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Solution

The fourth proportional to 70,798.50, 97,701.93 and 42,504.39 is: 58,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,798.50 : 97,701.93 = 42,504.39 : x
  2. Step 2: Convert to fraction form
    70,798.50/97,701.93 = 42,504.39/x
  3. Step 3: Cross multiply
    70,798.50x = 97,701.93 × 42,504.39
  4. Step 4: Simplify right side
    70,798.50x = 4,152,760,936.47
  5. Step 5: Solve for x
    x = 4,152,760,936.47/70,798.50
  6. Step 6: Final answer
    x = 58,656.06

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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.