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Finding the Fourth Proportional to 64,516,852.80, 96,775,280.80 and 64,516,852.80

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Solution

The fourth proportional to 64,516,852.80, 96,775,280.80 and 64,516,852.80 is: 96,775,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516,852.80 : 96,775,280.80 = 64,516,852.80 : x
  2. Step 2: Convert to fraction form
    64,516,852.80/96,775,280.80 = 64,516,852.80/x
  3. Step 3: Cross multiply
    64,516,852.80x = 96,775,280.80 × 64,516,852.80
  4. Step 4: Simplify right side
    64,516,852.80x = 6,243,636,546,052,266
  5. Step 5: Solve for x
    x = 6,243,636,546,052,266/64,516,852.80
  6. Step 6: Final answer
    x = 96,775,280.80

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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.