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Finding the Fourth Proportional to 194,999.54, 292,499.31 and 70,340.54

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Solution

The fourth proportional to 194,999.54, 292,499.31 and 70,340.54 is: 105,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,999.54 : 292,499.31 = 70,340.54 : x
  2. Step 2: Convert to fraction form
    194,999.54/292,499.31 = 70,340.54/x
  3. Step 3: Cross multiply
    194,999.54x = 292,499.31 × 70,340.54
  4. Step 4: Simplify right side
    194,999.54x = 20,574,559,415.03
  5. Step 5: Solve for x
    x = 20,574,559,415.03/194,999.54
  6. Step 6: Final answer
    x = 105,510.81

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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.