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Finding the Fourth Proportional to 117,681.76, 176,518.51 and 37,718.55

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Solution

The fourth proportional to 117,681.76, 176,518.51 and 37,718.55 is: 56,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,681.76 : 176,518.51 = 37,718.55 : x
  2. Step 2: Convert to fraction form
    117,681.76/176,518.51 = 37,718.55/x
  3. Step 3: Cross multiply
    117,681.76x = 176,518.51 × 37,718.55
  4. Step 4: Simplify right side
    117,681.76x = 6,658,022,245.36
  5. Step 5: Solve for x
    x = 6,658,022,245.36/117,681.76
  6. Step 6: Final answer
    x = 56,576.50

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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.