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Finding the Fourth Proportional to 94,927,216.80, 142,382,530.80 and 31,101,808.80

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Solution

The fourth proportional to 94,927,216.80, 142,382,530.80 and 31,101,808.80 is: 46,649,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,927,216.80 : 142,382,530.80 = 31,101,808.80 : x
  2. Step 2: Convert to fraction form
    94,927,216.80/142,382,530.80 = 31,101,808.80/x
  3. Step 3: Cross multiply
    94,927,216.80x = 142,382,530.80 × 31,101,808.80
  4. Step 4: Simplify right side
    94,927,216.80x = 4,428,354,249,401,711.50
  5. Step 5: Solve for x
    x = 4,428,354,249,401,711.50/94,927,216.80
  6. Step 6: Final answer
    x = 46,649,995.64

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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.