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Finding the Fourth Proportional to 117,574.17, 176,364.60 and 28,827.60

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Solution

The fourth proportional to 117,574.17, 176,364.60 and 28,827.60 is: 43,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,574.17 : 176,364.60 = 28,827.60 : x
  2. Step 2: Convert to fraction form
    117,574.17/176,364.60 = 28,827.60/x
  3. Step 3: Cross multiply
    117,574.17x = 176,364.60 × 28,827.60
  4. Step 4: Simplify right side
    117,574.17x = 5,084,168,142.96
  5. Step 5: Solve for x
    x = 5,084,168,142.96/117,574.17
  6. Step 6: Final answer
    x = 43,242.22

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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.