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Finding the Fourth Proportional to 119,528,082.30, 179,292,123.45 and 119,528,082.30

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Solution

The fourth proportional to 119,528,082.30, 179,292,123.45 and 119,528,082.30 is: 179,292,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,528,082.30 : 179,292,123.45 = 119,528,082.30 : x
  2. Step 2: Convert to fraction form
    119,528,082.30/179,292,123.45 = 119,528,082.30/x
  3. Step 3: Cross multiply
    119,528,082.30x = 179,292,123.45 × 119,528,082.30
  4. Step 4: Simplify right side
    119,528,082.30x = 21,430,443,687,473,356
  5. Step 5: Solve for x
    x = 21,430,443,687,473,356/119,528,082.30
  6. Step 6: Final answer
    x = 179,292,123.45

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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.