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Finding the Fourth Proportional to 104,717.54, 144,505.95 and 56,970.92

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Solution

The fourth proportional to 104,717.54, 144,505.95 and 56,970.92 is: 78,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,717.54 : 144,505.95 = 56,970.92 : x
  2. Step 2: Convert to fraction form
    104,717.54/144,505.95 = 56,970.92/x
  3. Step 3: Cross multiply
    104,717.54x = 144,505.95 × 56,970.92
  4. Step 4: Simplify right side
    104,717.54x = 8,232,636,916.97
  5. Step 5: Solve for x
    x = 8,232,636,916.97/104,717.54
  6. Step 6: Final answer
    x = 78,617.55

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1.5x scale

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.