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Finding the Fourth Proportional to 153,410.66, 230,129.11 and 46,818.59

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Solution

The fourth proportional to 153,410.66, 230,129.11 and 46,818.59 is: 70,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,410.66 : 230,129.11 = 46,818.59 : x
  2. Step 2: Convert to fraction form
    153,410.66/230,129.11 = 46,818.59/x
  3. Step 3: Cross multiply
    153,410.66x = 230,129.11 × 46,818.59
  4. Step 4: Simplify right side
    153,410.66x = 10,774,320,448.15
  5. Step 5: Solve for x
    x = 10,774,320,448.15/153,410.66
  6. Step 6: Final answer
    x = 70,231.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.