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Finding the Fourth Proportional to 295,607.60, 443,281.80 and 118,055.60

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Solution

The fourth proportional to 295,607.60, 443,281.80 and 118,055.60 is: 177,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,607.60 : 443,281.80 = 118,055.60 : x
  2. Step 2: Convert to fraction form
    295,607.60/443,281.80 = 118,055.60/x
  3. Step 3: Cross multiply
    295,607.60x = 443,281.80 × 118,055.60
  4. Step 4: Simplify right side
    295,607.60x = 52,331,898,868.08
  5. Step 5: Solve for x
    x = 52,331,898,868.08/295,607.60
  6. Step 6: Final answer
    x = 177,031.64

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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.