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Finding the Fourth Proportional to 252,653.52, 348,656.21 and 137,927.71

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Solution

The fourth proportional to 252,653.52, 348,656.21 and 137,927.71 is: 190,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,653.52 : 348,656.21 = 137,927.71 : x
  2. Step 2: Convert to fraction form
    252,653.52/348,656.21 = 137,927.71/x
  3. Step 3: Cross multiply
    252,653.52x = 348,656.21 × 137,927.71
  4. Step 4: Simplify right side
    252,653.52x = 48,089,353,079.95
  5. Step 5: Solve for x
    x = 48,089,353,079.95/252,653.52
  6. Step 6: Final answer
    x = 190,337.16

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1.5x scale

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.