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Finding the Fourth Proportional to 114,453.84, 157,943.88 and 64,151.76

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Solution

The fourth proportional to 114,453.84, 157,943.88 and 64,151.76 is: 88,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,453.84 : 157,943.88 = 64,151.76 : x
  2. Step 2: Convert to fraction form
    114,453.84/157,943.88 = 64,151.76/x
  3. Step 3: Cross multiply
    114,453.84x = 157,943.88 × 64,151.76
  4. Step 4: Simplify right side
    114,453.84x = 10,132,377,883.23
  5. Step 5: Solve for x
    x = 10,132,377,883.23/114,453.84
  6. Step 6: Final answer
    x = 88,528.07

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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.