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Finding the Fourth Proportional to 61,978,378.08, 93,025,813.70 and 32,455,758.50

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Solution

The fourth proportional to 61,978,378.08, 93,025,813.70 and 32,455,758.50 is: 48,714,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,978,378.08 : 93,025,813.70 = 32,455,758.50 : x
  2. Step 2: Convert to fraction form
    61,978,378.08/93,025,813.70 = 32,455,758.50/x
  3. Step 3: Cross multiply
    61,978,378.08x = 93,025,813.70 × 32,455,758.50
  4. Step 4: Simplify right side
    61,978,378.08x = 3,019,223,343,248,062.50
  5. Step 5: Solve for x
    x = 3,019,223,343,248,062.50/61,978,378.08
  6. Step 6: Final answer
    x = 48,714,139.30

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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.