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Finding the Fourth Proportional to 95,421.90, 133,415.70 and 95,421.90

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Solution

The fourth proportional to 95,421.90, 133,415.70 and 95,421.90 is: 133,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.90 : 133,415.70 = 95,421.90 : x
  2. Step 2: Convert to fraction form
    95,421.90/133,415.70 = 95,421.90/x
  3. Step 3: Cross multiply
    95,421.90x = 133,415.70 × 95,421.90
  4. Step 4: Simplify right side
    95,421.90x = 12,730,779,583.83
  5. Step 5: Solve for x
    x = 12,730,779,583.83/95,421.90
  6. Step 6: Final answer
    x = 133,415.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.