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Finding the Fourth Proportional to 114,221.44, 157,627.68 and 63,920.32

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Solution

The fourth proportional to 114,221.44, 157,627.68 and 63,920.32 is: 88,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,221.44 : 157,627.68 = 63,920.32 : x
  2. Step 2: Convert to fraction form
    114,221.44/157,627.68 = 63,920.32/x
  3. Step 3: Cross multiply
    114,221.44x = 157,627.68 × 63,920.32
  4. Step 4: Simplify right side
    114,221.44x = 10,075,611,746.46
  5. Step 5: Solve for x
    x = 10,075,611,746.46/114,221.44
  6. Step 6: Final answer
    x = 88,211.21

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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.