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Finding the Fourth Proportional to 117,436.94, 176,154.93 and 42,539.55

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Solution

The fourth proportional to 117,436.94, 176,154.93 and 42,539.55 is: 63,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,436.94 : 176,154.93 = 42,539.55 : x
  2. Step 2: Convert to fraction form
    117,436.94/176,154.93 = 42,539.55/x
  3. Step 3: Cross multiply
    117,436.94x = 176,154.93 × 42,539.55
  4. Step 4: Simplify right side
    117,436.94x = 7,493,551,452.48
  5. Step 5: Solve for x
    x = 7,493,551,452.48/117,436.94
  6. Step 6: Final answer
    x = 63,809.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.