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Finding the Fourth Proportional to 250,907.58, 346,242.06 and 137,732.76

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Solution

The fourth proportional to 250,907.58, 346,242.06 and 137,732.76 is: 190,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,907.58 : 346,242.06 = 137,732.76 : x
  2. Step 2: Convert to fraction form
    250,907.58/346,242.06 = 137,732.76/x
  3. Step 3: Cross multiply
    250,907.58x = 346,242.06 × 137,732.76
  4. Step 4: Simplify right side
    250,907.58x = 47,688,874,551.89
  5. Step 5: Solve for x
    x = 47,688,874,551.89/250,907.58
  6. Step 6: Final answer
    x = 190,065.50

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1.5x scale

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.