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Finding the Fourth Proportional to 181,671,128.20, 272,506,692.30 and 181,671,128.20

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Solution

The fourth proportional to 181,671,128.20, 272,506,692.30 and 181,671,128.20 is: 272,506,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,671,128.20 : 272,506,692.30 = 181,671,128.20 : x
  2. Step 2: Convert to fraction form
    181,671,128.20/272,506,692.30 = 181,671,128.20/x
  3. Step 3: Cross multiply
    181,671,128.20x = 272,506,692.30 × 181,671,128.20
  4. Step 4: Simplify right side
    181,671,128.20x = 49,506,598,232,191,248
  5. Step 5: Solve for x
    x = 49,506,598,232,191,248/181,671,128.20
  6. Step 6: Final answer
    x = 272,506,692.30

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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.