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Finding the Fourth Proportional to 88,411.71, 122,009.72 and 48,126.63

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Solution

The fourth proportional to 88,411.71, 122,009.72 and 48,126.63 is: 66,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,411.71 : 122,009.72 = 48,126.63 : x
  2. Step 2: Convert to fraction form
    88,411.71/122,009.72 = 48,126.63/x
  3. Step 3: Cross multiply
    88,411.71x = 122,009.72 × 48,126.63
  4. Step 4: Simplify right side
    88,411.71x = 5,871,916,410.21
  5. Step 5: Solve for x
    x = 5,871,916,410.21/88,411.71
  6. Step 6: Final answer
    x = 66,415.60

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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.