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Finding the Fourth Proportional to 114,441.84, 157,927.32 and 64,139.76

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Solution

The fourth proportional to 114,441.84, 157,927.32 and 64,139.76 is: 88,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,441.84 : 157,927.32 = 64,139.76 : x
  2. Step 2: Convert to fraction form
    114,441.84/157,927.32 = 64,139.76/x
  3. Step 3: Cross multiply
    114,441.84x = 157,927.32 × 64,139.76
  4. Step 4: Simplify right side
    114,441.84x = 10,129,420,402.24
  5. Step 5: Solve for x
    x = 10,129,420,402.24/114,441.84
  6. Step 6: Final answer
    x = 88,511.51

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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.