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Finding the Fourth Proportional to 316,060.27, 474,090.90 and 129,071.77

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Solution

The fourth proportional to 316,060.27, 474,090.90 and 129,071.77 is: 193,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,060.27 : 474,090.90 = 129,071.77 : x
  2. Step 2: Convert to fraction form
    316,060.27/474,090.90 = 129,071.77/x
  3. Step 3: Cross multiply
    316,060.27x = 474,090.90 × 129,071.77
  4. Step 4: Simplify right side
    316,060.27x = 61,191,751,603.89
  5. Step 5: Solve for x
    x = 61,191,751,603.89/316,060.27
  6. Step 6: Final answer
    x = 193,607.86

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1.5x scale

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.