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Finding the Fourth Proportional to 295,283.51, 442,995.66 and 95,603.95

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Solution

The fourth proportional to 295,283.51, 442,995.66 and 95,603.95 is: 143,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,283.51 : 442,995.66 = 95,603.95 : x
  2. Step 2: Convert to fraction form
    295,283.51/442,995.66 = 95,603.95/x
  3. Step 3: Cross multiply
    295,283.51x = 442,995.66 × 95,603.95
  4. Step 4: Simplify right side
    295,283.51x = 42,352,136,459.64
  5. Step 5: Solve for x
    x = 42,352,136,459.64/295,283.51
  6. Step 6: Final answer
    x = 143,428.72

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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.