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Finding the Fourth Proportional to 459,061.74, 688,537.71 and 122,127.03

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Solution

The fourth proportional to 459,061.74, 688,537.71 and 122,127.03 is: 183,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,061.74 : 688,537.71 = 122,127.03 : x
  2. Step 2: Convert to fraction form
    459,061.74/688,537.71 = 122,127.03/x
  3. Step 3: Cross multiply
    459,061.74x = 688,537.71 × 122,127.03
  4. Step 4: Simplify right side
    459,061.74x = 84,089,065,565.30
  5. Step 5: Solve for x
    x = 84,089,065,565.30/459,061.74
  6. Step 6: Final answer
    x = 183,175.94

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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.