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Finding the Fourth Proportional to 133,387.95, 184,100.00 and 85,700.91

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Solution

The fourth proportional to 133,387.95, 184,100.00 and 85,700.91 is: 118,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.95 : 184,100.00 = 85,700.91 : x
  2. Step 2: Convert to fraction form
    133,387.95/184,100.00 = 85,700.91/x
  3. Step 3: Cross multiply
    133,387.95x = 184,100.00 × 85,700.91
  4. Step 4: Simplify right side
    133,387.95x = 15,777,537,102.50
  5. Step 5: Solve for x
    x = 15,777,537,102.50/133,387.95
  6. Step 6: Final answer
    x = 118,283.08

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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.