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Finding the Fourth Proportional to 251,130.48, 346,581.48 and 142,254.24

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Solution

The fourth proportional to 251,130.48, 346,581.48 and 142,254.24 is: 196,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,130.48 : 346,581.48 = 142,254.24 : x
  2. Step 2: Convert to fraction form
    251,130.48/346,581.48 = 142,254.24/x
  3. Step 3: Cross multiply
    251,130.48x = 346,581.48 × 142,254.24
  4. Step 4: Simplify right side
    251,130.48x = 49,302,685,035.48
  5. Step 5: Solve for x
    x = 49,302,685,035.48/251,130.48
  6. Step 6: Final answer
    x = 196,322.98

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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.