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Finding the Fourth Proportional to 83,048,330.40, 124,572,495.60 and 83,048,330.40

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Solution

The fourth proportional to 83,048,330.40, 124,572,495.60 and 83,048,330.40 is: 124,572,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,048,330.40 : 124,572,495.60 = 83,048,330.40 : x
  2. Step 2: Convert to fraction form
    83,048,330.40/124,572,495.60 = 83,048,330.40/x
  3. Step 3: Cross multiply
    83,048,330.40x = 124,572,495.60 × 83,048,330.40
  4. Step 4: Simplify right side
    83,048,330.40x = 10,345,537,773,341,346
  5. Step 5: Solve for x
    x = 10,345,537,773,341,346/83,048,330.40
  6. Step 6: Final answer
    x = 124,572,495.60

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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.