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Finding the Fourth Proportional to 97,129.68, 133,973.64 and 59,338.32

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Solution

The fourth proportional to 97,129.68, 133,973.64 and 59,338.32 is: 81,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,129.68 : 133,973.64 = 59,338.32 : x
  2. Step 2: Convert to fraction form
    97,129.68/133,973.64 = 59,338.32/x
  3. Step 3: Cross multiply
    97,129.68x = 133,973.64 × 59,338.32
  4. Step 4: Simplify right side
    97,129.68x = 7,949,770,721.88
  5. Step 5: Solve for x
    x = 7,949,770,721.88/97,129.68
  6. Step 6: Final answer
    x = 81,846.98

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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.