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Finding the Fourth Proportional to 162,197.89, 243,303.59 and 55,655.10

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Solution

The fourth proportional to 162,197.89, 243,303.59 and 55,655.10 is: 83,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,197.89 : 243,303.59 = 55,655.10 : x
  2. Step 2: Convert to fraction form
    162,197.89/243,303.59 = 55,655.10/x
  3. Step 3: Cross multiply
    162,197.89x = 243,303.59 × 55,655.10
  4. Step 4: Simplify right side
    162,197.89x = 13,541,084,415.29
  5. Step 5: Solve for x
    x = 13,541,084,415.29/162,197.89
  6. Step 6: Final answer
    x = 83,484.96

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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.