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Finding the Fourth Proportional to 302,565.70, 453,848.55 and 77,925.70

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Solution

The fourth proportional to 302,565.70, 453,848.55 and 77,925.70 is: 116,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,565.70 : 453,848.55 = 77,925.70 : x
  2. Step 2: Convert to fraction form
    302,565.70/453,848.55 = 77,925.70/x
  3. Step 3: Cross multiply
    302,565.70x = 453,848.55 × 77,925.70
  4. Step 4: Simplify right side
    302,565.70x = 35,366,465,952.74
  5. Step 5: Solve for x
    x = 35,366,465,952.74/302,565.70
  6. Step 6: Final answer
    x = 116,888.55

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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.