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Finding the Fourth Proportional to 154,754.10, 213,482.06 and 101,070.54

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Solution

The fourth proportional to 154,754.10, 213,482.06 and 101,070.54 is: 139,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,754.10 : 213,482.06 = 101,070.54 : x
  2. Step 2: Convert to fraction form
    154,754.10/213,482.06 = 101,070.54/x
  3. Step 3: Cross multiply
    154,754.10x = 213,482.06 × 101,070.54
  4. Step 4: Simplify right side
    154,754.10x = 21,576,746,579.16
  5. Step 5: Solve for x
    x = 21,576,746,579.16/154,754.10
  6. Step 6: Final answer
    x = 139,426.01

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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.