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Finding the Fourth Proportional to 64,148.94, 96,206.55 and 19,159.62

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Solution

The fourth proportional to 64,148.94, 96,206.55 and 19,159.62 is: 28,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,148.94 : 96,206.55 = 19,159.62 : x
  2. Step 2: Convert to fraction form
    64,148.94/96,206.55 = 19,159.62/x
  3. Step 3: Cross multiply
    64,148.94x = 96,206.55 × 19,159.62
  4. Step 4: Simplify right side
    64,148.94x = 1,843,280,939.51
  5. Step 5: Solve for x
    x = 1,843,280,939.51/64,148.94
  6. Step 6: Final answer
    x = 28,734.39

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1.5x scale

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.