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Finding the Fourth Proportional to 284,588.32, 426,781.80 and 124,741.84

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Solution

The fourth proportional to 284,588.32, 426,781.80 and 124,741.84 is: 187,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,588.32 : 426,781.80 = 124,741.84 : x
  2. Step 2: Convert to fraction form
    284,588.32/426,781.80 = 124,741.84/x
  3. Step 3: Cross multiply
    284,588.32x = 426,781.80 × 124,741.84
  4. Step 4: Simplify right side
    284,588.32x = 53,237,547,010.51
  5. Step 5: Solve for x
    x = 53,237,547,010.51/284,588.32
  6. Step 6: Final answer
    x = 187,068.63

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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.