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Finding the Fourth Proportional to 97,813.47, 134,983.15 and 57,528.93

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Solution

The fourth proportional to 97,813.47, 134,983.15 and 57,528.93 is: 79,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,813.47 : 134,983.15 = 57,528.93 : x
  2. Step 2: Convert to fraction form
    97,813.47/134,983.15 = 57,528.93/x
  3. Step 3: Cross multiply
    97,813.47x = 134,983.15 × 57,528.93
  4. Step 4: Simplify right side
    97,813.47x = 7,765,436,187.53
  5. Step 5: Solve for x
    x = 7,765,436,187.53/97,813.47
  6. Step 6: Final answer
    x = 79,390.25

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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.