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Finding the Fourth Proportional to 190,365.60, 262,281.60 and 125,720.04

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Solution

The fourth proportional to 190,365.60, 262,281.60 and 125,720.04 is: 173,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,365.60 : 262,281.60 = 125,720.04 : x
  2. Step 2: Convert to fraction form
    190,365.60/262,281.60 = 125,720.04/x
  3. Step 3: Cross multiply
    190,365.60x = 262,281.60 × 125,720.04
  4. Step 4: Simplify right side
    190,365.60x = 32,974,053,243.26
  5. Step 5: Solve for x
    x = 32,974,053,243.26/190,365.60
  6. Step 6: Final answer
    x = 173,214.35

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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.