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Finding the Fourth Proportional to 357,376,373.78, 536,064,980.72 and 111,734,296.11

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Solution

The fourth proportional to 357,376,373.78, 536,064,980.72 and 111,734,296.11 is: 167,601,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,376,373.78 : 536,064,980.72 = 111,734,296.11 : x
  2. Step 2: Convert to fraction form
    357,376,373.78/536,064,980.72 = 111,734,296.11/x
  3. Step 3: Cross multiply
    357,376,373.78x = 536,064,980.72 × 111,734,296.11
  4. Step 4: Simplify right side
    357,376,373.78x = 59,896,843,289,411,248
  5. Step 5: Solve for x
    x = 59,896,843,289,411,248/357,376,373.78
  6. Step 6: Final answer
    x = 167,601,575.50

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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.