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Finding the Fourth Proportional to 114,488.79, 157,988.08 and 63,497.86

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Solution

The fourth proportional to 114,488.79, 157,988.08 and 63,497.86 is: 87,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,488.79 : 157,988.08 = 63,497.86 : x
  2. Step 2: Convert to fraction form
    114,488.79/157,988.08 = 63,497.86/x
  3. Step 3: Cross multiply
    114,488.79x = 157,988.08 × 63,497.86
  4. Step 4: Simplify right side
    114,488.79x = 10,031,905,425.72
  5. Step 5: Solve for x
    x = 10,031,905,425.72/114,488.79
  6. Step 6: Final answer
    x = 87,623.47

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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.