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Finding the Fourth Proportional to 114,978,698.16, 172,495,231.98 and 37,255,473.84

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Solution

The fourth proportional to 114,978,698.16, 172,495,231.98 and 37,255,473.84 is: 55,892,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,978,698.16 : 172,495,231.98 = 37,255,473.84 : x
  2. Step 2: Convert to fraction form
    114,978,698.16/172,495,231.98 = 37,255,473.84/x
  3. Step 3: Cross multiply
    114,978,698.16x = 172,495,231.98 × 37,255,473.84
  4. Step 4: Simplify right side
    114,978,698.16x = 6,426,391,602,555,622
  5. Step 5: Solve for x
    x = 6,426,391,602,555,622/114,978,698.16
  6. Step 6: Final answer
    x = 55,892,019.18

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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.