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Finding the Fourth Proportional to 176,062.32, 243,020.88 and 118,784.40

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Solution

The fourth proportional to 176,062.32, 243,020.88 and 118,784.40 is: 163,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,062.32 : 243,020.88 = 118,784.40 : x
  2. Step 2: Convert to fraction form
    176,062.32/243,020.88 = 118,784.40/x
  3. Step 3: Cross multiply
    176,062.32x = 243,020.88 × 118,784.40
  4. Step 4: Simplify right side
    176,062.32x = 28,867,089,418.27
  5. Step 5: Solve for x
    x = 28,867,089,418.27/176,062.32
  6. Step 6: Final answer
    x = 163,959.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.