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Finding the Fourth Proportional to 191,280, 286,966.08 and 59,952

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Solution

The fourth proportional to 191,280, 286,966.08 and 59,952 is: 89,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,280 : 286,966.08 = 59,952 : x
  2. Step 2: Convert to fraction form
    191,280/286,966.08 = 59,952/x
  3. Step 3: Cross multiply
    191,280x = 286,966.08 × 59,952
  4. Step 4: Simplify right side
    191,280x = 17,204,190,428.16
  5. Step 5: Solve for x
    x = 17,204,190,428.16/191,280
  6. Step 6: Final answer
    x = 89,942.44

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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.