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Finding the Fourth Proportional to 114,075.88, 157,425.80 and 63,086

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Solution

The fourth proportional to 114,075.88, 157,425.80 and 63,086 is: 87,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,075.88 : 157,425.80 = 63,086 : x
  2. Step 2: Convert to fraction form
    114,075.88/157,425.80 = 63,086/x
  3. Step 3: Cross multiply
    114,075.88x = 157,425.80 × 63,086
  4. Step 4: Simplify right side
    114,075.88x = 9,931,364,018.80
  5. Step 5: Solve for x
    x = 9,931,364,018.80/114,075.88
  6. Step 6: Final answer
    x = 87,059.28

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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.