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Finding the Fourth Proportional to 302,368.80, 453,358.80 and 124,946.40

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Solution

The fourth proportional to 302,368.80, 453,358.80 and 124,946.40 is: 187,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,368.80 : 453,358.80 = 124,946.40 : x
  2. Step 2: Convert to fraction form
    302,368.80/453,358.80 = 124,946.40/x
  3. Step 3: Cross multiply
    302,368.80x = 453,358.80 × 124,946.40
  4. Step 4: Simplify right side
    302,368.80x = 56,645,549,968.32
  5. Step 5: Solve for x
    x = 56,645,549,968.32/302,368.80
  6. Step 6: Final answer
    x = 187,339.27

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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.