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Finding the Fourth Proportional to 252,536.56, 348,498.74 and 139,359.32

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Solution

The fourth proportional to 252,536.56, 348,498.74 and 139,359.32 is: 192,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,536.56 : 348,498.74 = 139,359.32 : x
  2. Step 2: Convert to fraction form
    252,536.56/348,498.74 = 139,359.32/x
  3. Step 3: Cross multiply
    252,536.56x = 348,498.74 × 139,359.32
  4. Step 4: Simplify right side
    252,536.56x = 48,566,547,427.26
  5. Step 5: Solve for x
    x = 48,566,547,427.26/252,536.56
  6. Step 6: Final answer
    x = 192,314.92

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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.