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Finding the Fourth Proportional to 306,124.55, 459,187.74 and 92,894.18

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Solution

The fourth proportional to 306,124.55, 459,187.74 and 92,894.18 is: 139,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,124.55 : 459,187.74 = 92,894.18 : x
  2. Step 2: Convert to fraction form
    306,124.55/459,187.74 = 92,894.18/x
  3. Step 3: Cross multiply
    306,124.55x = 459,187.74 × 92,894.18
  4. Step 4: Simplify right side
    306,124.55x = 42,655,868,573.35
  5. Step 5: Solve for x
    x = 42,655,868,573.35/306,124.55
  6. Step 6: Final answer
    x = 139,341.55

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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.