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Finding the Fourth Proportional to 144,364.92, 216,547.32 and 39,199.32

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Solution

The fourth proportional to 144,364.92, 216,547.32 and 39,199.32 is: 58,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,364.92 : 216,547.32 = 39,199.32 : x
  2. Step 2: Convert to fraction form
    144,364.92/216,547.32 = 39,199.32/x
  3. Step 3: Cross multiply
    144,364.92x = 216,547.32 × 39,199.32
  4. Step 4: Simplify right side
    144,364.92x = 8,488,507,691.82
  5. Step 5: Solve for x
    x = 8,488,507,691.82/144,364.92
  6. Step 6: Final answer
    x = 58,798.96

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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.