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Finding the Fourth Proportional to 70,254.64, 96,907.08 and 49,026.16

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Solution

The fourth proportional to 70,254.64, 96,907.08 and 49,026.16 is: 67,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,254.64 : 96,907.08 = 49,026.16 : x
  2. Step 2: Convert to fraction form
    70,254.64/96,907.08 = 49,026.16/x
  3. Step 3: Cross multiply
    70,254.64x = 96,907.08 × 49,026.16
  4. Step 4: Simplify right side
    70,254.64x = 4,750,982,009.21
  5. Step 5: Solve for x
    x = 4,750,982,009.21/70,254.64
  6. Step 6: Final answer
    x = 67,625.17

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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.