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Finding the Fourth Proportional to 153,643.74, 230,465.60 and 48,470.91

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Solution

The fourth proportional to 153,643.74, 230,465.60 and 48,470.91 is: 72,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,643.74 : 230,465.60 = 48,470.91 : x
  2. Step 2: Convert to fraction form
    153,643.74/230,465.60 = 48,470.91/x
  3. Step 3: Cross multiply
    153,643.74x = 230,465.60 × 48,470.91
  4. Step 4: Simplify right side
    153,643.74x = 11,170,876,703.51
  5. Step 5: Solve for x
    x = 11,170,876,703.51/153,643.74
  6. Step 6: Final answer
    x = 72,706.36

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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.