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Finding the Fourth Proportional to 153,633.86, 230,484.61 and 47,018.63

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Solution

The fourth proportional to 153,633.86, 230,484.61 and 47,018.63 is: 70,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,633.86 : 230,484.61 = 47,018.63 : x
  2. Step 2: Convert to fraction form
    153,633.86/230,484.61 = 47,018.63/x
  3. Step 3: Cross multiply
    153,633.86x = 230,484.61 × 47,018.63
  4. Step 4: Simplify right side
    153,633.86x = 10,837,071,041.39
  5. Step 5: Solve for x
    x = 10,837,071,041.39/153,633.86
  6. Step 6: Final answer
    x = 70,538.30

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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.