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Finding the Fourth Proportional to 115,662.53, 159,605.54 and 70,334.22

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Solution

The fourth proportional to 115,662.53, 159,605.54 and 70,334.22 is: 97,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,662.53 : 159,605.54 = 70,334.22 : x
  2. Step 2: Convert to fraction form
    115,662.53/159,605.54 = 70,334.22/x
  3. Step 3: Cross multiply
    115,662.53x = 159,605.54 × 70,334.22
  4. Step 4: Simplify right side
    115,662.53x = 11,225,731,674.18
  5. Step 5: Solve for x
    x = 11,225,731,674.18/115,662.53
  6. Step 6: Final answer
    x = 97,055.90

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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.