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Finding the Fourth Proportional to 153,493.92, 211,879.44 and 89,852.32

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Solution

The fourth proportional to 153,493.92, 211,879.44 and 89,852.32 is: 124,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,493.92 : 211,879.44 = 89,852.32 : x
  2. Step 2: Convert to fraction form
    153,493.92/211,879.44 = 89,852.32/x
  3. Step 3: Cross multiply
    153,493.92x = 211,879.44 × 89,852.32
  4. Step 4: Simplify right side
    153,493.92x = 19,037,859,244.30
  5. Step 5: Solve for x
    x = 19,037,859,244.30/153,493.92
  6. Step 6: Final answer
    x = 124,030.05

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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.