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Finding the Fourth Proportional to 162,607.63, 243,911.45 and 107,190.67

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Solution

The fourth proportional to 162,607.63, 243,911.45 and 107,190.67 is: 160,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,607.63 : 243,911.45 = 107,190.67 : x
  2. Step 2: Convert to fraction form
    162,607.63/243,911.45 = 107,190.67/x
  3. Step 3: Cross multiply
    162,607.63x = 243,911.45 × 107,190.67
  4. Step 4: Simplify right side
    162,607.63x = 26,145,031,746.17
  5. Step 5: Solve for x
    x = 26,145,031,746.17/162,607.63
  6. Step 6: Final answer
    x = 160,786.01

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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.