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Finding the Fourth Proportional to 114,489.08, 157,987.01 and 63,496.98

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Solution

The fourth proportional to 114,489.08, 157,987.01 and 63,496.98 is: 87,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,489.08 : 157,987.01 = 63,496.98 : x
  2. Step 2: Convert to fraction form
    114,489.08/157,987.01 = 63,496.98/x
  3. Step 3: Cross multiply
    114,489.08x = 157,987.01 × 63,496.98
  4. Step 4: Simplify right side
    114,489.08x = 10,031,697,696.74
  5. Step 5: Solve for x
    x = 10,031,697,696.74/114,489.08
  6. Step 6: Final answer
    x = 87,621.44

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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.