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Finding the Fourth Proportional to 112,114,871.55, 168,172,307.33 and 112,114,871.55

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Solution

The fourth proportional to 112,114,871.55, 168,172,307.33 and 112,114,871.55 is: 168,172,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,114,871.55 : 168,172,307.33 = 112,114,871.55 : x
  2. Step 2: Convert to fraction form
    112,114,871.55/168,172,307.33 = 112,114,871.55/x
  3. Step 3: Cross multiply
    112,114,871.55x = 168,172,307.33 × 112,114,871.55
  4. Step 4: Simplify right side
    112,114,871.55x = 18,854,616,634,009,496
  5. Step 5: Solve for x
    x = 18,854,616,634,009,496/112,114,871.55
  6. Step 6: Final answer
    x = 168,172,307.33

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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.