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Finding the Fourth Proportional to 114,168.78, 157,547.30 and 63,180.57

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Solution

The fourth proportional to 114,168.78, 157,547.30 and 63,180.57 is: 87,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,168.78 : 157,547.30 = 63,180.57 : x
  2. Step 2: Convert to fraction form
    114,168.78/157,547.30 = 63,180.57/x
  3. Step 3: Cross multiply
    114,168.78x = 157,547.30 × 63,180.57
  4. Step 4: Simplify right side
    114,168.78x = 9,953,927,900.06
  5. Step 5: Solve for x
    x = 9,953,927,900.06/114,168.78
  6. Step 6: Final answer
    x = 87,186.08

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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.