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Finding the Fourth Proportional to 114,146.99, 157,519.81 and 63,158.39

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Solution

The fourth proportional to 114,146.99, 157,519.81 and 63,158.39 is: 87,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,146.99 : 157,519.81 = 63,158.39 : x
  2. Step 2: Convert to fraction form
    114,146.99/157,519.81 = 63,158.39/x
  3. Step 3: Cross multiply
    114,146.99x = 157,519.81 × 63,158.39
  4. Step 4: Simplify right side
    114,146.99x = 9,948,697,592.71
  5. Step 5: Solve for x
    x = 9,948,697,592.71/114,146.99
  6. Step 6: Final answer
    x = 87,156.90

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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.