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Finding the Fourth Proportional to 173,646.80, 260,556.60 and 98,824.40

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Solution

The fourth proportional to 173,646.80, 260,556.60 and 98,824.40 is: 148,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,646.80 : 260,556.60 = 98,824.40 : x
  2. Step 2: Convert to fraction form
    173,646.80/260,556.60 = 98,824.40/x
  3. Step 3: Cross multiply
    173,646.80x = 260,556.60 × 98,824.40
  4. Step 4: Simplify right side
    173,646.80x = 25,749,349,661.04
  5. Step 5: Solve for x
    x = 25,749,349,661.04/173,646.80
  6. Step 6: Final answer
    x = 148,285.77

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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.