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Finding the Fourth Proportional to 113,952.99, 157,216.62 and 66,167.04

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Solution

The fourth proportional to 113,952.99, 157,216.62 and 66,167.04 is: 91,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,952.99 : 157,216.62 = 66,167.04 : x
  2. Step 2: Convert to fraction form
    113,952.99/157,216.62 = 66,167.04/x
  3. Step 3: Cross multiply
    113,952.99x = 157,216.62 × 66,167.04
  4. Step 4: Simplify right side
    113,952.99x = 10,402,558,384.20
  5. Step 5: Solve for x
    x = 10,402,558,384.20/113,952.99
  6. Step 6: Final answer
    x = 91,288.16

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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.