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Finding the Fourth Proportional to 242,460.81, 334,582.76 and 133,543.95

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Solution

The fourth proportional to 242,460.81, 334,582.76 and 133,543.95 is: 184,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,460.81 : 334,582.76 = 133,543.95 : x
  2. Step 2: Convert to fraction form
    242,460.81/334,582.76 = 133,543.95/x
  3. Step 3: Cross multiply
    242,460.81x = 334,582.76 × 133,543.95
  4. Step 4: Simplify right side
    242,460.81x = 44,681,502,704.58
  5. Step 5: Solve for x
    x = 44,681,502,704.58/242,460.81
  6. Step 6: Final answer
    x = 184,283.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.