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Finding the Fourth Proportional to 56,976,393.04, 85,549,970.04 and 49,323,642.64

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Solution

The fourth proportional to 56,976,393.04, 85,549,970.04 and 49,323,642.64 is: 74,059,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,976,393.04 : 85,549,970.04 = 49,323,642.64 : x
  2. Step 2: Convert to fraction form
    56,976,393.04/85,549,970.04 = 49,323,642.64/x
  3. Step 3: Cross multiply
    56,976,393.04x = 85,549,970.04 × 49,323,642.64
  4. Step 4: Simplify right side
    56,976,393.04x = 4,219,636,150,115,667
  5. Step 5: Solve for x
    x = 4,219,636,150,115,667/56,976,393.04
  6. Step 6: Final answer
    x = 74,059,376.61

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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.