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Finding the Fourth Proportional to 95,878.59, 143,767.23 and 42,547.40

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Solution

The fourth proportional to 95,878.59, 143,767.23 and 42,547.40 is: 63,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,878.59 : 143,767.23 = 42,547.40 : x
  2. Step 2: Convert to fraction form
    95,878.59/143,767.23 = 42,547.40/x
  3. Step 3: Cross multiply
    95,878.59x = 143,767.23 × 42,547.40
  4. Step 4: Simplify right side
    95,878.59x = 6,116,922,026.45
  5. Step 5: Solve for x
    x = 6,116,922,026.45/95,878.59
  6. Step 6: Final answer
    x = 63,798.62

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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.