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Finding the Fourth Proportional to 190,041.06, 260,859.54 and 168,048.90

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Solution

The fourth proportional to 190,041.06, 260,859.54 and 168,048.90 is: 230,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,041.06 : 260,859.54 = 168,048.90 : x
  2. Step 2: Convert to fraction form
    190,041.06/260,859.54 = 168,048.90/x
  3. Step 3: Cross multiply
    190,041.06x = 260,859.54 × 168,048.90
  4. Step 4: Simplify right side
    190,041.06x = 43,837,158,751.51
  5. Step 5: Solve for x
    x = 43,837,158,751.51/190,041.06
  6. Step 6: Final answer
    x = 230,672.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.