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Finding the Fourth Proportional to 104,718.63, 155,893.48 and 104,095.84

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Solution

The fourth proportional to 104,718.63, 155,893.48 and 104,095.84 is: 154,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,718.63 : 155,893.48 = 104,095.84 : x
  2. Step 2: Convert to fraction form
    104,718.63/155,893.48 = 104,095.84/x
  3. Step 3: Cross multiply
    104,718.63x = 155,893.48 × 104,095.84
  4. Step 4: Simplify right side
    104,718.63x = 16,227,862,751.12
  5. Step 5: Solve for x
    x = 16,227,862,751.12/104,718.63
  6. Step 6: Final answer
    x = 154,966.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.