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Finding the Fourth Proportional to 114,049.55, 157,374.63 and 63,055.40

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Solution

The fourth proportional to 114,049.55, 157,374.63 and 63,055.40 is: 87,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,049.55 : 157,374.63 = 63,055.40 : x
  2. Step 2: Convert to fraction form
    114,049.55/157,374.63 = 63,055.40/x
  3. Step 3: Cross multiply
    114,049.55x = 157,374.63 × 63,055.40
  4. Step 4: Simplify right side
    114,049.55x = 9,923,319,457.63
  5. Step 5: Solve for x
    x = 9,923,319,457.63/114,049.55
  6. Step 6: Final answer
    x = 87,008.84

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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.