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Finding the Fourth Proportional to 103,088.10, 144,530.70 and 103,088.10

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Solution

The fourth proportional to 103,088.10, 144,530.70 and 103,088.10 is: 144,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,088.10 : 144,530.70 = 103,088.10 : x
  2. Step 2: Convert to fraction form
    103,088.10/144,530.70 = 103,088.10/x
  3. Step 3: Cross multiply
    103,088.10x = 144,530.70 × 103,088.10
  4. Step 4: Simplify right side
    103,088.10x = 14,899,395,254.67
  5. Step 5: Solve for x
    x = 14,899,395,254.67/103,088.10
  6. Step 6: Final answer
    x = 144,530.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.