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Finding the Fourth Proportional to 88,702.79, 122,411.72 and 50,461.07

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Solution

The fourth proportional to 88,702.79, 122,411.72 and 50,461.07 is: 69,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,702.79 : 122,411.72 = 50,461.07 : x
  2. Step 2: Convert to fraction form
    88,702.79/122,411.72 = 50,461.07/x
  3. Step 3: Cross multiply
    88,702.79x = 122,411.72 × 50,461.07
  4. Step 4: Simplify right side
    88,702.79x = 6,177,025,885.83
  5. Step 5: Solve for x
    x = 6,177,025,885.83/88,702.79
  6. Step 6: Final answer
    x = 69,637.34

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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.