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Finding the Fourth Proportional to 116,048.80, 173,878.80 and 99,330.40

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Solution

The fourth proportional to 116,048.80, 173,878.80 and 99,330.40 is: 148,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,048.80 : 173,878.80 = 99,330.40 : x
  2. Step 2: Convert to fraction form
    116,048.80/173,878.80 = 99,330.40/x
  3. Step 3: Cross multiply
    116,048.80x = 173,878.80 × 99,330.40
  4. Step 4: Simplify right side
    116,048.80x = 17,271,450,755.52
  5. Step 5: Solve for x
    x = 17,271,450,755.52/116,048.80
  6. Step 6: Final answer
    x = 148,829.21

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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.