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Finding the Fourth Proportional to 162,642.93, 243,903.72 and 55,996.76

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Solution

The fourth proportional to 162,642.93, 243,903.72 and 55,996.76 is: 83,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,642.93 : 243,903.72 = 55,996.76 : x
  2. Step 2: Convert to fraction form
    162,642.93/243,903.72 = 55,996.76/x
  3. Step 3: Cross multiply
    162,642.93x = 243,903.72 × 55,996.76
  4. Step 4: Simplify right side
    162,642.93x = 13,657,818,681.71
  5. Step 5: Solve for x
    x = 13,657,818,681.71/162,642.93
  6. Step 6: Final answer
    x = 83,974.25

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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.