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Finding the Fourth Proportional to 117,674.66, 176,510.47 and 28,928.93

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Solution

The fourth proportional to 117,674.66, 176,510.47 and 28,928.93 is: 43,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,674.66 : 176,510.47 = 28,928.93 : x
  2. Step 2: Convert to fraction form
    117,674.66/176,510.47 = 28,928.93/x
  3. Step 3: Cross multiply
    117,674.66x = 176,510.47 × 28,928.93
  4. Step 4: Simplify right side
    117,674.66x = 5,106,259,030.90
  5. Step 5: Solve for x
    x = 5,106,259,030.90/117,674.66
  6. Step 6: Final answer
    x = 43,393.02

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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.