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Finding the Fourth Proportional to 117,045.81, 175,422.74 and 53,798.67

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Solution

The fourth proportional to 117,045.81, 175,422.74 and 53,798.67 is: 80,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,045.81 : 175,422.74 = 53,798.67 : x
  2. Step 2: Convert to fraction form
    117,045.81/175,422.74 = 53,798.67/x
  3. Step 3: Cross multiply
    117,045.81x = 175,422.74 × 53,798.67
  4. Step 4: Simplify right side
    117,045.81x = 9,437,509,830.76
  5. Step 5: Solve for x
    x = 9,437,509,830.76/117,045.81
  6. Step 6: Final answer
    x = 80,630.91

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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.