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Finding the Fourth Proportional to 170,442.06, 255,663.02 and 45,783.06

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Solution

The fourth proportional to 170,442.06, 255,663.02 and 45,783.06 is: 68,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,442.06 : 255,663.02 = 45,783.06 : x
  2. Step 2: Convert to fraction form
    170,442.06/255,663.02 = 45,783.06/x
  3. Step 3: Cross multiply
    170,442.06x = 255,663.02 × 45,783.06
  4. Step 4: Simplify right side
    170,442.06x = 11,705,035,384.44
  5. Step 5: Solve for x
    x = 11,705,035,384.44/170,442.06
  6. Step 6: Final answer
    x = 68,674.57

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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.