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Finding the Fourth Proportional to 302,573.02, 453,908.80 and 89,362.50

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Solution

The fourth proportional to 302,573.02, 453,908.80 and 89,362.50 is: 134,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,573.02 : 453,908.80 = 89,362.50 : x
  2. Step 2: Convert to fraction form
    302,573.02/453,908.80 = 89,362.50/x
  3. Step 3: Cross multiply
    302,573.02x = 453,908.80 × 89,362.50
  4. Step 4: Simplify right side
    302,573.02x = 40,562,425,140
  5. Step 5: Solve for x
    x = 40,562,425,140/302,573.02
  6. Step 6: Final answer
    x = 134,058.30

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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.