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Finding the Fourth Proportional to 77,041.58, 106,316.08 and 43,050.74

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Solution

The fourth proportional to 77,041.58, 106,316.08 and 43,050.74 is: 59,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,041.58 : 106,316.08 = 43,050.74 : x
  2. Step 2: Convert to fraction form
    77,041.58/106,316.08 = 43,050.74/x
  3. Step 3: Cross multiply
    77,041.58x = 106,316.08 × 43,050.74
  4. Step 4: Simplify right side
    77,041.58x = 4,576,985,278.69
  5. Step 5: Solve for x
    x = 4,576,985,278.69/77,041.58
  6. Step 6: Final answer
    x = 59,409.29

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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.