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Finding the Fourth Proportional to 174,209.60, 260,925.60 and 134,638.40

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Solution

The fourth proportional to 174,209.60, 260,925.60 and 134,638.40 is: 201,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,209.60 : 260,925.60 = 134,638.40 : x
  2. Step 2: Convert to fraction form
    174,209.60/260,925.60 = 134,638.40/x
  3. Step 3: Cross multiply
    174,209.60x = 260,925.60 × 134,638.40
  4. Step 4: Simplify right side
    174,209.60x = 35,130,605,303.04
  5. Step 5: Solve for x
    x = 35,130,605,303.04/174,209.60
  6. Step 6: Final answer
    x = 201,657.11

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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.