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Finding the Fourth Proportional to 94,966.98, 130,967.73 and 81,533.94

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Solution

The fourth proportional to 94,966.98, 130,967.73 and 81,533.94 is: 112,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,966.98 : 130,967.73 = 81,533.94 : x
  2. Step 2: Convert to fraction form
    94,966.98/130,967.73 = 81,533.94/x
  3. Step 3: Cross multiply
    94,966.98x = 130,967.73 × 81,533.94
  4. Step 4: Simplify right side
    94,966.98x = 10,678,315,039.76
  5. Step 5: Solve for x
    x = 10,678,315,039.76/94,966.98
  6. Step 6: Final answer
    x = 112,442.40

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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.