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Finding the Fourth Proportional to 94,804.63, 142,230.34 and 28,244.50

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Solution

The fourth proportional to 94,804.63, 142,230.34 and 28,244.50 is: 42,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,804.63 : 142,230.34 = 28,244.50 : x
  2. Step 2: Convert to fraction form
    94,804.63/142,230.34 = 28,244.50/x
  3. Step 3: Cross multiply
    94,804.63x = 142,230.34 × 28,244.50
  4. Step 4: Simplify right side
    94,804.63x = 4,017,224,838.13
  5. Step 5: Solve for x
    x = 4,017,224,838.13/94,804.63
  6. Step 6: Final answer
    x = 42,373.72

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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.