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Finding the Fourth Proportional to 192,893.09, 266,130.90 and 124,962.12

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Solution

The fourth proportional to 192,893.09, 266,130.90 and 124,962.12 is: 172,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,893.09 : 266,130.90 = 124,962.12 : x
  2. Step 2: Convert to fraction form
    192,893.09/266,130.90 = 124,962.12/x
  3. Step 3: Cross multiply
    192,893.09x = 266,130.90 × 124,962.12
  4. Step 4: Simplify right side
    192,893.09x = 33,256,281,461.51
  5. Step 5: Solve for x
    x = 33,256,281,461.51/192,893.09
  6. Step 6: Final answer
    x = 172,407.84

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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.