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Finding the Fourth Proportional to 117,104.94, 175,549.77 and 42,206.76

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Solution

The fourth proportional to 117,104.94, 175,549.77 and 42,206.76 is: 63,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,104.94 : 175,549.77 = 42,206.76 : x
  2. Step 2: Convert to fraction form
    117,104.94/175,549.77 = 42,206.76/x
  3. Step 3: Cross multiply
    117,104.94x = 175,549.77 × 42,206.76
  4. Step 4: Simplify right side
    117,104.94x = 7,409,386,238.21
  5. Step 5: Solve for x
    x = 7,409,386,238.21/117,104.94
  6. Step 6: Final answer
    x = 63,271.34

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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.