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Finding the Fourth Proportional to 152,411.43, 210,430.52 and 95,137.98

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Solution

The fourth proportional to 152,411.43, 210,430.52 and 95,137.98 is: 131,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,411.43 : 210,430.52 = 95,137.98 : x
  2. Step 2: Convert to fraction form
    152,411.43/210,430.52 = 95,137.98/x
  3. Step 3: Cross multiply
    152,411.43x = 210,430.52 × 95,137.98
  4. Step 4: Simplify right side
    152,411.43x = 20,019,934,127.46
  5. Step 5: Solve for x
    x = 20,019,934,127.46/152,411.43
  6. Step 6: Final answer
    x = 131,354.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.