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Finding the Fourth Proportional to 301,430.10, 452,145.15 and 124,064.40

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Solution

The fourth proportional to 301,430.10, 452,145.15 and 124,064.40 is: 186,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,430.10 : 452,145.15 = 124,064.40 : x
  2. Step 2: Convert to fraction form
    301,430.10/452,145.15 = 124,064.40/x
  3. Step 3: Cross multiply
    301,430.10x = 452,145.15 × 124,064.40
  4. Step 4: Simplify right side
    301,430.10x = 56,095,116,747.66
  5. Step 5: Solve for x
    x = 56,095,116,747.66/301,430.10
  6. Step 6: Final answer
    x = 186,096.60

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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.