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Finding the Fourth Proportional to 153,410.51, 230,129.07 and 46,818.47

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Solution

The fourth proportional to 153,410.51, 230,129.07 and 46,818.47 is: 70,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,410.51 : 230,129.07 = 46,818.47 : x
  2. Step 2: Convert to fraction form
    153,410.51/230,129.07 = 46,818.47/x
  3. Step 3: Cross multiply
    153,410.51x = 230,129.07 × 46,818.47
  4. Step 4: Simplify right side
    153,410.51x = 10,774,290,959.92
  5. Step 5: Solve for x
    x = 10,774,290,959.92/153,410.51
  6. Step 6: Final answer
    x = 70,231.77

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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.