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Finding the Fourth Proportional to 210,445.19, 315,714.44 and 60,673.80

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Solution

The fourth proportional to 210,445.19, 315,714.44 and 60,673.80 is: 91,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,445.19 : 315,714.44 = 60,673.80 : x
  2. Step 2: Convert to fraction form
    210,445.19/315,714.44 = 60,673.80/x
  3. Step 3: Cross multiply
    210,445.19x = 315,714.44 × 60,673.80
  4. Step 4: Simplify right side
    210,445.19x = 19,155,594,008.10
  5. Step 5: Solve for x
    x = 19,155,594,008.10/210,445.19
  6. Step 6: Final answer
    x = 91,024.15

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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.