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Finding the Fourth Proportional to 117,570.68, 176,300.46 and 45,557.32

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Solution

The fourth proportional to 117,570.68, 176,300.46 and 45,557.32 is: 68,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570.68 : 176,300.46 = 45,557.32 : x
  2. Step 2: Convert to fraction form
    117,570.68/176,300.46 = 45,557.32/x
  3. Step 3: Cross multiply
    117,570.68x = 176,300.46 × 45,557.32
  4. Step 4: Simplify right side
    117,570.68x = 8,031,776,472.37
  5. Step 5: Solve for x
    x = 8,031,776,472.37/117,570.68
  6. Step 6: Final answer
    x = 68,314.45

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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.