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Finding the Fourth Proportional to 73,281,603.40, 109,922,405.10 and 25,412,547.40

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Solution

The fourth proportional to 73,281,603.40, 109,922,405.10 and 25,412,547.40 is: 38,118,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,281,603.40 : 109,922,405.10 = 25,412,547.40 : x
  2. Step 2: Convert to fraction form
    73,281,603.40/109,922,405.10 = 25,412,547.40/x
  3. Step 3: Cross multiply
    73,281,603.40x = 109,922,405.10 × 25,412,547.40
  4. Step 4: Simplify right side
    73,281,603.40x = 2,793,408,329,925,751.50
  5. Step 5: Solve for x
    x = 2,793,408,329,925,751.50/73,281,603.40
  6. Step 6: Final answer
    x = 38,118,821.10

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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.