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Finding the Fourth Proportional to 242,075.94, 334,059.98 and 134,643.66

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Solution

The fourth proportional to 242,075.94, 334,059.98 and 134,643.66 is: 185,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,075.94 : 334,059.98 = 134,643.66 : x
  2. Step 2: Convert to fraction form
    242,075.94/334,059.98 = 134,643.66/x
  3. Step 3: Cross multiply
    242,075.94x = 334,059.98 × 134,643.66
  4. Step 4: Simplify right side
    242,075.94x = 44,979,058,366.73
  5. Step 5: Solve for x
    x = 44,979,058,366.73/242,075.94
  6. Step 6: Final answer
    x = 185,805.57

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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.