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Finding the Fourth Proportional to 114,120.50, 157,483.44 and 63,136.08

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Solution

The fourth proportional to 114,120.50, 157,483.44 and 63,136.08 is: 87,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,120.50 : 157,483.44 = 63,136.08 : x
  2. Step 2: Convert to fraction form
    114,120.50/157,483.44 = 63,136.08/x
  3. Step 3: Cross multiply
    114,120.50x = 157,483.44 × 63,136.08
  4. Step 4: Simplify right side
    114,120.50x = 9,942,887,066.52
  5. Step 5: Solve for x
    x = 9,942,887,066.52/114,120.50
  6. Step 6: Final answer
    x = 87,126.22

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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.