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Finding the Fourth Proportional to 181,057.77, 249,859.98 and 100,483.22

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Solution

The fourth proportional to 181,057.77, 249,859.98 and 100,483.22 is: 138,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,057.77 : 249,859.98 = 100,483.22 : x
  2. Step 2: Convert to fraction form
    181,057.77/249,859.98 = 100,483.22/x
  3. Step 3: Cross multiply
    181,057.77x = 249,859.98 × 100,483.22
  4. Step 4: Simplify right side
    181,057.77x = 25,106,734,090.24
  5. Step 5: Solve for x
    x = 25,106,734,090.24/181,057.77
  6. Step 6: Final answer
    x = 138,666.98

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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.