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Finding the Fourth Proportional to 115,573.60, 173,360.40 and 98,984.80

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Solution

The fourth proportional to 115,573.60, 173,360.40 and 98,984.80 is: 148,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,573.60 : 173,360.40 = 98,984.80 : x
  2. Step 2: Convert to fraction form
    115,573.60/173,360.40 = 98,984.80/x
  3. Step 3: Cross multiply
    115,573.60x = 173,360.40 × 98,984.80
  4. Step 4: Simplify right side
    115,573.60x = 17,160,044,521.92
  5. Step 5: Solve for x
    x = 17,160,044,521.92/115,573.60
  6. Step 6: Final answer
    x = 148,477.20

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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.