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Finding the Fourth Proportional to 111,938.41, 167,907.62 and 37,038.45

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Solution

The fourth proportional to 111,938.41, 167,907.62 and 37,038.45 is: 55,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,938.41 : 167,907.62 = 37,038.45 : x
  2. Step 2: Convert to fraction form
    111,938.41/167,907.62 = 37,038.45/x
  3. Step 3: Cross multiply
    111,938.41x = 167,907.62 × 37,038.45
  4. Step 4: Simplify right side
    111,938.41x = 6,219,037,987.99
  5. Step 5: Solve for x
    x = 6,219,037,987.99/111,938.41
  6. Step 6: Final answer
    x = 55,557.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.