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Finding the Fourth Proportional to 267,493.95, 369,047.06 and 152,689.77

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Solution

The fourth proportional to 267,493.95, 369,047.06 and 152,689.77 is: 210,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,493.95 : 369,047.06 = 152,689.77 : x
  2. Step 2: Convert to fraction form
    267,493.95/369,047.06 = 152,689.77/x
  3. Step 3: Cross multiply
    267,493.95x = 369,047.06 × 152,689.77
  4. Step 4: Simplify right side
    267,493.95x = 56,349,709,947.13
  5. Step 5: Solve for x
    x = 56,349,709,947.13/267,493.95
  6. Step 6: Final answer
    x = 210,657.89

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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.