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Finding the Fourth Proportional to 113,802.88, 157,052.90 and 63,501.88

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Solution

The fourth proportional to 113,802.88, 157,052.90 and 63,501.88 is: 87,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,802.88 : 157,052.90 = 63,501.88 : x
  2. Step 2: Convert to fraction form
    113,802.88/157,052.90 = 63,501.88/x
  3. Step 3: Cross multiply
    113,802.88x = 157,052.90 × 63,501.88
  4. Step 4: Simplify right side
    113,802.88x = 9,973,154,409.45
  5. Step 5: Solve for x
    x = 9,973,154,409.45/113,802.88
  6. Step 6: Final answer
    x = 87,635.34

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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.