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Finding the Fourth Proportional to 162,148.21, 223,700.10 and 108,348.01

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Solution

The fourth proportional to 162,148.21, 223,700.10 and 108,348.01 is: 149,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,148.21 : 223,700.10 = 108,348.01 : x
  2. Step 2: Convert to fraction form
    162,148.21/223,700.10 = 108,348.01/x
  3. Step 3: Cross multiply
    162,148.21x = 223,700.10 × 108,348.01
  4. Step 4: Simplify right side
    162,148.21x = 24,237,460,671.80
  5. Step 5: Solve for x
    x = 24,237,460,671.80/162,148.21
  6. Step 6: Final answer
    x = 149,477.20

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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.