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Finding the Fourth Proportional to 242,075.50, 334,063.30 and 134,645.54

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Solution

The fourth proportional to 242,075.50, 334,063.30 and 134,645.54 is: 185,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,075.50 : 334,063.30 = 134,645.54 : x
  2. Step 2: Convert to fraction form
    242,075.50/334,063.30 = 134,645.54/x
  3. Step 3: Cross multiply
    242,075.50x = 334,063.30 × 134,645.54
  4. Step 4: Simplify right side
    242,075.50x = 44,980,133,736.66
  5. Step 5: Solve for x
    x = 44,980,133,736.66/242,075.50
  6. Step 6: Final answer
    x = 185,810.35

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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.