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Finding the Fourth Proportional to 242,348.72, 334,457.44 and 146,864.80

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Solution

The fourth proportional to 242,348.72, 334,457.44 and 146,864.80 is: 202,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,348.72 : 334,457.44 = 146,864.80 : x
  2. Step 2: Convert to fraction form
    242,348.72/334,457.44 = 146,864.80/x
  3. Step 3: Cross multiply
    242,348.72x = 334,457.44 × 146,864.80
  4. Step 4: Simplify right side
    242,348.72x = 49,120,025,034.11
  5. Step 5: Solve for x
    x = 49,120,025,034.11/242,348.72
  6. Step 6: Final answer
    x = 202,683.25

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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.