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Finding the Fourth Proportional to 302,925.60, 454,388.40 and 89,701.20

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Solution

The fourth proportional to 302,925.60, 454,388.40 and 89,701.20 is: 134,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,925.60 : 454,388.40 = 89,701.20 : x
  2. Step 2: Convert to fraction form
    302,925.60/454,388.40 = 89,701.20/x
  3. Step 3: Cross multiply
    302,925.60x = 454,388.40 × 89,701.20
  4. Step 4: Simplify right side
    302,925.60x = 40,759,184,746.08
  5. Step 5: Solve for x
    x = 40,759,184,746.08/302,925.60
  6. Step 6: Final answer
    x = 134,551.80

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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.