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Finding the Fourth Proportional to 191,075.62, 286,614.12 and 57,957.04

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Solution

The fourth proportional to 191,075.62, 286,614.12 and 57,957.04 is: 86,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,075.62 : 286,614.12 = 57,957.04 : x
  2. Step 2: Convert to fraction form
    191,075.62/286,614.12 = 57,957.04/x
  3. Step 3: Cross multiply
    191,075.62x = 286,614.12 × 57,957.04
  4. Step 4: Simplify right side
    191,075.62x = 16,611,306,017.40
  5. Step 5: Solve for x
    x = 16,611,306,017.40/191,075.62
  6. Step 6: Final answer
    x = 86,935.77

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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.