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Finding the Fourth Proportional to 114,646.83, 158,210.40 and 63,656.91

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Solution

The fourth proportional to 114,646.83, 158,210.40 and 63,656.91 is: 87,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,646.83 : 158,210.40 = 63,656.91 : x
  2. Step 2: Convert to fraction form
    114,646.83/158,210.40 = 63,656.91/x
  3. Step 3: Cross multiply
    114,646.83x = 158,210.40 × 63,656.91
  4. Step 4: Simplify right side
    114,646.83x = 10,071,185,193.86
  5. Step 5: Solve for x
    x = 10,071,185,193.86/114,646.83
  6. Step 6: Final answer
    x = 87,845.30

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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.