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Finding the Fourth Proportional to 97,001.69, 133,880.72 and 60,720.03

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Solution

The fourth proportional to 97,001.69, 133,880.72 and 60,720.03 is: 83,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,001.69 : 133,880.72 = 60,720.03 : x
  2. Step 2: Convert to fraction form
    97,001.69/133,880.72 = 60,720.03/x
  3. Step 3: Cross multiply
    97,001.69x = 133,880.72 × 60,720.03
  4. Step 4: Simplify right side
    97,001.69x = 8,129,241,031.22
  5. Step 5: Solve for x
    x = 8,129,241,031.22/97,001.69
  6. Step 6: Final answer
    x = 83,805.15

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1.5x scale

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.