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Finding the Fourth Proportional to 163,586.10, 245,415.60 and 63,737.40

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Solution

The fourth proportional to 163,586.10, 245,415.60 and 63,737.40 is: 95,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,586.10 : 245,415.60 = 63,737.40 : x
  2. Step 2: Convert to fraction form
    163,586.10/245,415.60 = 63,737.40/x
  3. Step 3: Cross multiply
    163,586.10x = 245,415.60 × 63,737.40
  4. Step 4: Simplify right side
    163,586.10x = 15,642,152,263.44
  5. Step 5: Solve for x
    x = 15,642,152,263.44/163,586.10
  6. Step 6: Final answer
    x = 95,620.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.