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Finding the Fourth Proportional to 115,598.81, 159,507.81 and 70,252.58

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Solution

The fourth proportional to 115,598.81, 159,507.81 and 70,252.58 is: 96,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,598.81 : 159,507.81 = 70,252.58 : x
  2. Step 2: Convert to fraction form
    115,598.81/159,507.81 = 70,252.58/x
  3. Step 3: Cross multiply
    115,598.81x = 159,507.81 × 70,252.58
  4. Step 4: Simplify right side
    115,598.81x = 11,205,834,385.11
  5. Step 5: Solve for x
    x = 11,205,834,385.11/115,598.81
  6. Step 6: Final answer
    x = 96,937.29

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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.