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Finding the Fourth Proportional to 229,851.60, 344,038.68 and 122,968.86

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Solution

The fourth proportional to 229,851.60, 344,038.68 and 122,968.86 is: 184,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,851.60 : 344,038.68 = 122,968.86 : x
  2. Step 2: Convert to fraction form
    229,851.60/344,038.68 = 122,968.86/x
  3. Step 3: Cross multiply
    229,851.60x = 344,038.68 × 122,968.86
  4. Step 4: Simplify right side
    229,851.60x = 42,306,044,275.50
  5. Step 5: Solve for x
    x = 42,306,044,275.50/229,851.60
  6. Step 6: Final answer
    x = 184,058.08

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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.