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Finding the Fourth Proportional to 117,598.99, 162,287.73 and 63,885.07

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Solution

The fourth proportional to 117,598.99, 162,287.73 and 63,885.07 is: 88,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,598.99 : 162,287.73 = 63,885.07 : x
  2. Step 2: Convert to fraction form
    117,598.99/162,287.73 = 63,885.07/x
  3. Step 3: Cross multiply
    117,598.99x = 162,287.73 × 63,885.07
  4. Step 4: Simplify right side
    117,598.99x = 10,367,762,991.19
  5. Step 5: Solve for x
    x = 10,367,762,991.19/117,598.99
  6. Step 6: Final answer
    x = 88,162.01

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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.