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Finding the Fourth Proportional to 70,937.51, 97,900.62 and 53,001.37

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Solution

The fourth proportional to 70,937.51, 97,900.62 and 53,001.37 is: 73,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,937.51 : 97,900.62 = 53,001.37 : x
  2. Step 2: Convert to fraction form
    70,937.51/97,900.62 = 53,001.37/x
  3. Step 3: Cross multiply
    70,937.51x = 97,900.62 × 53,001.37
  4. Step 4: Simplify right side
    70,937.51x = 5,188,866,907.47
  5. Step 5: Solve for x
    x = 5,188,866,907.47/70,937.51
  6. Step 6: Final answer
    x = 73,147.02

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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.