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Finding the Fourth Proportional to 99,130.95, 148,647.58 and 35,941.58

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Solution

The fourth proportional to 99,130.95, 148,647.58 and 35,941.58 is: 53,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,130.95 : 148,647.58 = 35,941.58 : x
  2. Step 2: Convert to fraction form
    99,130.95/148,647.58 = 35,941.58/x
  3. Step 3: Cross multiply
    99,130.95x = 148,647.58 × 35,941.58
  4. Step 4: Simplify right side
    99,130.95x = 5,342,628,888.38
  5. Step 5: Solve for x
    x = 5,342,628,888.38/99,130.95
  6. Step 6: Final answer
    x = 53,894.66

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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.