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Finding the Fourth Proportional to 357,883.04, 536,810.54 and 121,225.71

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Solution

The fourth proportional to 357,883.04, 536,810.54 and 121,225.71 is: 181,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,883.04 : 536,810.54 = 121,225.71 : x
  2. Step 2: Convert to fraction form
    357,883.04/536,810.54 = 121,225.71/x
  3. Step 3: Cross multiply
    357,883.04x = 536,810.54 × 121,225.71
  4. Step 4: Simplify right side
    357,883.04x = 65,075,240,935.79
  5. Step 5: Solve for x
    x = 65,075,240,935.79/357,883.04
  6. Step 6: Final answer
    x = 181,833.82

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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.