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Finding the Fourth Proportional to 97,804,547.15, 146,706,820.73 and 46,786,211.15

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Solution

The fourth proportional to 97,804,547.15, 146,706,820.73 and 46,786,211.15 is: 70,179,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,804,547.15 : 146,706,820.73 = 46,786,211.15 : x
  2. Step 2: Convert to fraction form
    97,804,547.15/146,706,820.73 = 46,786,211.15/x
  3. Step 3: Cross multiply
    97,804,547.15x = 146,706,820.73 × 46,786,211.15
  4. Step 4: Simplify right side
    97,804,547.15x = 6,863,856,291,818,976
  5. Step 5: Solve for x
    x = 6,863,856,291,818,976/97,804,547.15
  6. Step 6: Final answer
    x = 70,179,316.73

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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.