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Finding the Fourth Proportional to 113,804.16, 157,052.16 and 63,502.08

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Solution

The fourth proportional to 113,804.16, 157,052.16 and 63,502.08 is: 87,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,804.16 : 157,052.16 = 63,502.08 : x
  2. Step 2: Convert to fraction form
    113,804.16/157,052.16 = 63,502.08/x
  3. Step 3: Cross multiply
    113,804.16x = 157,052.16 × 63,502.08
  4. Step 4: Simplify right side
    113,804.16x = 9,973,138,828.49
  5. Step 5: Solve for x
    x = 9,973,138,828.49/113,804.16
  6. Step 6: Final answer
    x = 87,634.22

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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.