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Finding the Fourth Proportional to 153,792.60, 230,645.70 and 48,643.80

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Solution

The fourth proportional to 153,792.60, 230,645.70 and 48,643.80 is: 72,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,792.60 : 230,645.70 = 48,643.80 : x
  2. Step 2: Convert to fraction form
    153,792.60/230,645.70 = 48,643.80/x
  3. Step 3: Cross multiply
    153,792.60x = 230,645.70 × 48,643.80
  4. Step 4: Simplify right side
    153,792.60x = 11,219,483,301.66
  5. Step 5: Solve for x
    x = 11,219,483,301.66/153,792.60
  6. Step 6: Final answer
    x = 72,952.04

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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.