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Finding the Fourth Proportional to 82,901.94, 114,404.63 and 45,176.19

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Solution

The fourth proportional to 82,901.94, 114,404.63 and 45,176.19 is: 62,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,901.94 : 114,404.63 = 45,176.19 : x
  2. Step 2: Convert to fraction form
    82,901.94/114,404.63 = 45,176.19/x
  3. Step 3: Cross multiply
    82,901.94x = 114,404.63 × 45,176.19
  4. Step 4: Simplify right side
    82,901.94x = 5,168,365,075.88
  5. Step 5: Solve for x
    x = 5,168,365,075.88/82,901.94
  6. Step 6: Final answer
    x = 62,343.11

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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.